サニーサイドアップ公式メディア「SUNNY DAYS」

PR Tech Pioneer Bilcom Joins SUNNY SIDE UP GROUP: Moving "Further" in the Evolving PR and Communications Landscape

[Kappa Create x SUNNY SIDE UP] Kappa Sushi x Tomica: The Story Behind the Unprecedented Production Increase—Manufacturing Based on PR Concepts to Shape "Customer Empathy"

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）

Could your everyday office become a product launch venue!? A PR representative reports from the Happy Kuji “Seven-Eleven” product launch event

Saori Umezawa（SUNNY SIDE UP Inc.）

Celebrating the 10th Anniversary of "CRAFT SAKE WEEK 2026 with OMAKASE byGMO at ROPPONGI HILLS" — What is the "Co-creative Power" of SUNNY SIDE UP, Handling Everything from PR to Operations?

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）

WORKS 2026.10.27

A meeting point for the world’s diverse food cultures and Japan’s seasonal ingredients. bills begins serving the “AUTUMN&WINTER 2026 MENU”!

WORKS 2026.10.15

[5-Minute Guide: World Heritage] Uncovering the “Present” of Shimane’s Iwami Ginzan: Where History and Modernity Intersect!

高橋真奈

DAYS 2026.10.13

Still riding the World Cup buzz, the “SUNNY SIDE UP GROUP Futsal Club” is fired up again this season! | Club Activity Report

Ryosuke Toda（SUNNY SIDE UP Inc.）

WORKS 2026.10.06

Ginza Wako × Heralbony Presents “GOOD LOOP 2026”! A Report from the Scene That Captivated Luxury Media | We Went to Check It Out

南雲悠莉奈

DAYS 2026.10.02

Our “eggs” made their pledges!? A new story begins at the SUNNY SIDE UP GROUP 2027 Job Offer Ceremony

田中美安

WORKS 2026.10.01

Sold Out: 200,000 Units in Just 10 Days! Premium Ice Cream “BRULEE” Makes Its Long-Awaited Korea Debut — Behind the Scenes of the Launch PR

堀江灯

MEMBERS 2026.09.30

[A Must-Read for Young Professionals] From Housing Equipment and Life Insurance to an Inexperienced PR Agency! A Growth Story at SUNNY SIDE UP Told by Members from Different Industries

田中美安

DAYS 2026.09.29

From an everyday plate to a wider impact: bills’ Pride Month support. We attended the activity report session with donation recipient ReBit

鈴木結理

MEMBERS 2026.09.28

From everyday consultations to walking alongside business growth: How to build the trust of a PR professional people say, “I want to talk to you first.”

飯島爽夏

WORKS 2026.09.18

The Entire Hibiya District Becomes an Art Space! Tokyo Midtown Hibiya Hall Reopening Opening Performance: Contemporary Artist Yuichi Hirako’s “HUMAN AND NATURE” Press Preview | We Went to See It

Mai Takeshima（SUNNY SIDE UP Inc.）

DAYS 2026.09.18

To Korea’s “Sister Agency,” Prain Global: Cross-Border PR Built as “One Team”

DAYS 2026.09.10

“Who needs textbooks when you have maps!?” Learning from a professional sommelier at SUNNY SIDE UP GROUP’s Wine Club | Club Activity Report

藁科早紀

5記事

"SUNNY SIDE UP’s Step-by-Step PR Guide"

A "PR Textbook" for Beginners and Solo PR Pros

23記事

#clubsunny

Introducing the SUNNY SIDE UP GROUP's "Club Activities"

5記事

A Day in the Life

A Day in the Life: Inside SUNNY SIDE UP

11記事

Client Crosstalk: Partners in Dialogue

A collaborative series where SUNNY SIDE UP and our clients reflect on project journeys through open dialogue.

14記事

Energizing Japan Through "Fun Commotion"

Introducing Our Initiatives to Revitalize Communities Across Japan

4記事

Impact Report 2025

Exploring the SUNNY SIDE UP GROUP's "Impact Report 2025"

19記事

Moments from the CENTRAL KITCHEN

What’s cooking at the heart of our office...!?

20記事

SSU’s PR Methods

“SSU’s PR Methods” is a serial feature decoding modern PR techniques, branding strategies, and marketing expertise for today’s evolving landscape.

24記事

Why I Joined SUNNY SIDE UP GROUP

A series of articles "Why I joined SUNNY SIDE UP GROUP that delves deeper into the reasons why I joined the company and the work I am involved in.

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Keiko Hasegawa PR Dept. Div.3 Sports

Sona Min SUNNY SIDE UP Inc.

高橋真奈

髙田雄太 パブリックリレーションズ事業本部・ソーシャルリレーション局

Erika Uehara steady study Project Planning Div.

Tamako Strolling Div.

Maiko Takamoto steady study PR

Shimbo Saki Public Relations Div. 1

Ruriko Sanada SUNNY SIDE UP Inc.

Ryo Murase SUNNY SIDE UP Inc.

Yoko Mizukami SUNNY SIDE UP GROUP Inc.

Miyu Ogawa PR Dept. Div.2

Tomoka Hirai SUNNY SIDE UP Inc.

林摩耶ニコル パブリックリレーションズ事業本部・1局

Honoka Yamaguchi SUNNY SIDE UP Inc.

Hana Saito SUNNY SIDE UP Inc.

Akiko Kitazawa PR Dept. Div.4

柳井さくら子 パブリックリレーションズ事業本部・1局

Saori Umezawa SUNNY SIDE UP Inc.

Mai Takeshima SUNNY SIDE UP Inc.

Mano Ando PR Dept. Div.1

田中萌

Akari Ishizu SUNNY SIDE UP Inc.

Sunny-chan

Takuya Asahina PR Dept. Div.1

Takumi Kuwazaki SUNNY SIDE UP Inc.

Masaaki Koshita PR Dept. Div.3(Sports)

Yusuke Ninomiya Public Relations Div. 3 Sports

Ryosuke Toda SUNNY SIDE UP Inc.

Maho Kamijo SUNNY SIDE UP Inc.

Shin Makino SUNNY SIDE UP Inc.

Mizusaki Nanako PR Dept. Div.2

Kazuki Kameyama PR Dept. Account Planning Div.

Hinako Takada PR Dept. Div.3(Sports)

Naho KaKanie PR Dept. Div.1

Kohei Takano SUNNY SIDE UP GROUP General Affairs and Human Resources Dept.

Ayaka Komori PR Div. Dept.3(Sports)

Saki Yamahata SUNNY SIDE UP Inc.

Udai Suzuki SUNNY SIDE UP Inc.

佐藤稜太

Aya Ueno SUNNY SIDE UP Inc.

Koji Komoto SUNNY SIDE UP GROUP Inc.

Minami Hirata SUNNY SIDE UP Inc.

Miyu Kaneko PR Dept. Div.1

Akemi Yoshino PR Dept. Div.1

堀江灯

Yuri Hayashi SUNNY SIDE UP Social Relations Div 1

土居海斗 パブリックリレーションズ事業本部・3局

蛭川貴之 パブリックリレーションズ事業本部・2局

Fumika Abe PR Dept. Div.2

岡山葵 パブリックリレーションズ事業本部・2局

Yuki Yoshida SUNNY SIDE UP Inc.

Yuki Sugimoto PR Dept. Div.3(Sports)

Kota Takeuchi SUNNY SIDE UP Inc.

Yuma Kawakami SUNNY SIDE UP Inc.

Natsumi Kurihara Smile Keeper

Kensei Ohashi SUNNY SIDE UP Inc.

Misaki Matsuno PR Dept. Div.1

Kokoro Hamada SUNNY SIDE UP Inc.

田中美安

Kiyota Yuto SUNNY SIDE UP Inc.

Yoshiyuki Miyazaki SUNNY DAYS Official Writer

Syunsuke Kano Wise Integration Marketing Communication Dept.

後藤瑞季 パブリックリレーションズ事業本部・6局スポーツ

藤井那津子

Makino Hana PR Dept. Div.2

池田妃那 パブリックリレーションズ事業本部・1局

Haruhi Kusai SUNNY SIDE UP Public Relations Div.3 Sports

南雲悠莉奈

冨田瑞季 パブリックリレーションズ事業本部・ソーシャルリレーション局

Nakamura Miku SUNNY SIDE UP Inc.

Akane Koichi PR Dept. Div.4

Yuma Ninomiya Accout Planning Div.

Nanaka Takeuchi Public Relations Dept. Social Relations Team

Yurika Mizutani PR Dept. Div.3(Sports)

Syonosuke Maeda PR Dept. Intern

Masaya Koike SUNNY SIDE UP Inc.

佐々本昌 パブリックリレーションズ事業本部・6局スポーツ

Haruna Hikawa SUNNY SIDE UP GROUP Inc. Food Marketing Div.

齋藤未彩 パブリックリレーションズ事業本部・ソーシャルリレーション局

藁科早紀

冨田蓮 パブリックリレーションズ事業本部・ソーシャルリレーション局

加藤茜

長谷川怜奈 パブリックリレーションズ事業本部・コミュニケーションプランニング部

坂田潤 パブリックリレーションズ事業本部・4局

Yuumi Oku PR Dept. Account Planning Div.

吉田沙羽

Rina Hirakawa SUNNY SIDE UP Inc.

増賀美月 パブリックリレーションズ事業本部・ソーシャルリレーション局

Seiya Kanai SUNNY SIDE UP Inc.

Mirei Baba SUNNY SIDE UP Inc.

Yusuke Koto PR Dept. Div.4

Sota Hisamitsu SUNNY SIDE UP Inc.

Minami Akaki steady study PR

Yumi Sekiya Account Planning Div.

Kentaro Iizuka PR Dept. Div.3(Sports)

大図千賀 パブリックリレーションズ事業本部・ソーシャルリレーション局

Mina Kunii SUNNY SIDE UP Inc.

中根京人 パブリックリレーションズ事業本部・4局

Shiori Yamaguchi PR Dept. Account Planning Div.

Rie Tanimoto SUNNY SIDE UP Inc.

Shion Suzuki SUNNY SIDE UP Inc.

山口翔 パブリックリレーションズ事業本部・ソーシャルリレーション局

Haruka Ano SUNNY SIDE UP GROUP Inc.

Fumiya Tsunakawa PR Dept. Div.2

Misaki Ito SUNNY DAYS Official Writer

飯島爽夏

Midori Niimura SUNNY SIDE UP Inc.

佐藤香那 パブリックリレーションズ事業本部・2局

山下珠央 パブリックリレーションズ事業本部・ソーシャルリレーション局

西村佳芳子 SUNNY DAYS オフィシャルライター

Takeshi Terui PR Dept. Div.1

Mian Fujimura PR Dept. Div.3(Sports)

Miyuki Inoue SUNNY SIDE UP Inc.

Fuka Saito SUNNY SIDE UP Inc.

Moe Tokai SUNNY DAYS Official Writer

Kanae Tamura SUNNY SIDE UP GROUP General Affairs and Human Resources Dept.

Yuki Ota Social Relations Div.3

鈴木結理

Hina Takahashi SUNNY SIDE UP Inc.

Taiki Sakama PR Dept. Div.1

Tamaki Kawamura SUNNY SIDE UP GROUP President's Office, Corporate PR

小山歩夢 パブリックリレーションズ事業本部・6局スポーツ

Makoto Ishiguro PR Dept. Div.3(Sports)

Ayumi Hirahara Smile Keeper

Takuma Shimizu SUNNY SIDE UP Inc.

MEMBERS 2026.09.30

[A Must-Read for Young Professionals] From Housing Equipment and Life Insurance to an Inexperienced PR Agency! A Growth Story at SUNNY SIDE UP Told by Members from Different Industries

田中美安

DAYS 2026.09.29

From an everyday plate to a wider impact: bills’ Pride Month support. We attended the activity report session with donation recipient ReBit

鈴木結理

MEMBERS 2026.09.28

From everyday consultations to walking alongside business growth: How to build the trust of a PR professional people say, “I want to talk to you first.”

飯島爽夏

WORKS 2026.09.18

The Entire Hibiya District Becomes an Art Space! Tokyo Midtown Hibiya Hall Reopening Opening Performance: Contemporary Artist Yuichi Hirako’s “HUMAN AND NATURE” Press Preview | We Went to See It

Mai Takeshima（SUNNY SIDE UP Inc.）

DAYS 2026.09.18

To Korea’s “Sister Agency,” Prain Global: Cross-Border PR Built as “One Team”

DAYS 2026.09.10

“Who needs textbooks when you have maps!?” Learning from a professional sommelier at SUNNY SIDE UP GROUP’s Wine Club | Club Activity Report

藁科早紀

WORKS 2026.08.24

A First-Year New Graduate Takes on a Dream PR Project and Gives It Their All! Behind the Scenes of the “Shinagawa Aquarium” Special Exhibition Media Preview | We Went to See It

田中萌

WORKS 2026.08.21

Unlocking Global Trends from the 2026 Cannes Lions Winners | Cannes Internal Report Session

佐藤稜太

WORKS 2026.08.14

World’s No. 1 Nordic Food Loss Reduction App “Too Good To Go” Launches in Japan! A PR Strategy That Solves Social Issues Through “Value” and “Excitement”

藤井那津子

WORKS 2026.08.07

Promoting the Deliciousness of Cream Cheese Rice Balls! As the PR Team for ‘Kiri,’ We Made the Trending Cream Cheese ‘oniKiri’ In-House! | 32 Benefits

吉田沙羽

DAYS 2026.08.05

Supporting Sales Activities with AI! A Day in the Life of a Behind-the-Scenes PR Professional | Member Spotlight

MEMBERS 2026.08.04

[SUNNY SIDE UP × BILCOM] Logical and Emotional! A Future Vision of PR from a Business Development Perspective

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）

PR Tech Pioneer Bilcom Joins SUNNY SIDE UP GROUP: Moving "Further" in the Evolving PR and Communications Landscape

25 Elite Members Join the Team! SUNNY SIDE UP GROUP Holds 2026 Entrance Ceremony 🌸

[Kappa Create x SUNNY SIDE UP] Kappa Sushi x Tomica: The Story Behind the Unprecedented Production Increase—Manufacturing Based on PR Concepts to Shape "Customer Empathy"

Could your everyday office become a product launch venue!? A PR representative reports from the Happy Kuji “Seven-Eleven” product launch event

Celebrating the 10th Anniversary of "CRAFT SAKE WEEK 2026 with OMAKASE byGMO at ROPPONGI HILLS" — What is the "Co-creative Power" of SUNNY SIDE UP, Handling Everything from PR to Operations?

A meeting point for the world’s diverse food cultures and Japan’s seasonal ingredients. bills begins serving the “AUTUMN&WINTER 2026 MENU”!

[5-Minute Guide: World Heritage] Uncovering the “Present” of Shimane’s Iwami Ginzan: Where History and Modernity Intersect!

Still riding the World Cup buzz, the “SUNNY SIDE UP GROUP Futsal Club” is fired up again this season! | Club Activity Report

Ginza Wako × Heralbony Presents “GOOD LOOP 2026”! A Report from the Scene That Captivated Luxury Media | We Went to Check It Out

Our “eggs” made their pledges!? A new story begins at the SUNNY SIDE UP GROUP 2027 Job Offer Ceremony

Sold Out: 200,000 Units in Just 10 Days! Premium Ice Cream “BRULEE” Makes Its Long-Awaited Korea Debut — Behind the Scenes of the Launch PR

[A Must-Read for Young Professionals] From Housing Equipment and Life Insurance to an Inexperienced PR Agency! A Growth Story at SUNNY SIDE UP Told by Members from Different Industries

From an everyday plate to a wider impact: bills’ Pride Month support. We attended the activity report session with donation recipient ReBit

From everyday consultations to walking alongside business growth: How to build the trust of a PR professional people say, “I want to talk to you first.”

The Entire Hibiya District Becomes an Art Space! Tokyo Midtown Hibiya Hall Reopening Opening Performance: Contemporary Artist Yuichi Hirako’s “HUMAN AND NATURE” Press Preview | We Went to See It

To Korea’s “Sister Agency,” Prain Global: Cross-Border PR Built as “One Team”

“Who needs textbooks when you have maps!?” Learning from a professional sommelier at SUNNY SIDE UP GROUP’s Wine Club | Club Activity Report

FEATURES.svg-features { width: 100%; height: auto; overflow: visible; } .text-features {fill: #fff; stroke: #555; stroke-width: 1.5; stroke-linejoin: round;}

"SUNNY SIDE UP’s Step-by-Step PR Guide"

#clubsunny

A Day in the Life

Client Crosstalk: Partners in Dialogue

Energizing Japan Through "Fun Commotion"

Impact Report 2025

Moments from the CENTRAL KITCHEN

SSU’s PR Methods

Why I Joined SUNNY SIDE UP GROUP

WE ARE THE TEAM!.svg-author { width: 100%; height: auto; overflow: visible; } .text-author {fill: #fff; stroke: #555; stroke-width: 1.5; stroke-linejoin: round;}

[A Must-Read for Young Professionals] From Housing Equipment and Life Insurance to an Inexperienced PR Agency! A Growth Story at SUNNY SIDE UP Told by Members from Different Industries

From an everyday plate to a wider impact: bills’ Pride Month support. We attended the activity report session with donation recipient ReBit

From everyday consultations to walking alongside business growth: How to build the trust of a PR professional people say, “I want to talk to you first.”

The Entire Hibiya District Becomes an Art Space! Tokyo Midtown Hibiya Hall Reopening Opening Performance: Contemporary Artist Yuichi Hirako’s “HUMAN AND NATURE” Press Preview | We Went to See It

To Korea’s “Sister Agency,” Prain Global: Cross-Border PR Built as “One Team”

“Who needs textbooks when you have maps!?” Learning from a professional sommelier at SUNNY SIDE UP GROUP’s Wine Club | Club Activity Report

A First-Year New Graduate Takes on a Dream PR Project and Gives It Their All! Behind the Scenes of the “Shinagawa Aquarium” Special Exhibition Media Preview | We Went to See It

Unlocking Global Trends from the 2026 Cannes Lions Winners | Cannes Internal Report Session

World’s No. 1 Nordic Food Loss Reduction App “Too Good To Go” Launches in Japan! A PR Strategy That Solves Social Issues Through “Value” and “Excitement”

Promoting the Deliciousness of Cream Cheese Rice Balls! As the PR Team for ‘Kiri,’ We Made the Trending Cream Cheese ‘oniKiri’ In-House! | 32 Benefits

Supporting Sales Activities with AI! A Day in the Life of a Behind-the-Scenes PR Professional | Member Spotlight

[SUNNY SIDE UP × BILCOM] Logical and Emotional! A Future Vision of PR from a Business Development Perspective