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DAYS 2026.01.07

“Adult Otoshidama” Surprise & New Media “GOOD&NEWS” Announcement! We Held Our 2026 New Year Kickoff Event 🐴

MEMBERS 2025.12.26

What Will Happen to PR in the AI Era? An Executive Planner Who Wrote the Opening Keywords for “Koho no Mikata 2026” Shares Insights

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）

DAYS 2025.12.25

Looking back on 2025 with plenty of fun commotion: We held the SUNNY SIDE UP GROUP year-end company gathering.

WORKS 2025.12.25

Presented by the PR Team! Ranked 16th in Nikkei Trendy’s “2026 Hit Predictions 100” & Initial Shipments Exceed 200% of Projections! “Kirekira! Wiper Dry x Wet Sheets”

Shimbo Saki（Public Relations Div. 1）

MEMBERS 2025.12.22

A Day in the Life of a PR Professional for Fashion and Lifestyle Brands | steady study Member Spotlight

WORKS 2025.12.16

Introducing the “Best Smile of the Year 2025” awards ceremony, honoring the celebrities whose smiles shone brightest in 2025!

MEMBERS 2025.12.10

Why She Builds “Systems” at SUNNY SIDE UP: A Unique Career Spanning IT, Healthcare, and PR | Why I Joined SUNNY SIDE UP

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）

DAYS 2025.12.08

Learning PR-Driven Marketing Through Practice: Meiji University Special Lecture on Business Administration | Lecture Report

DAYS 2025.12.04

A session with the Kunieda Seminar at Sophia University and young planners from SUNNY SIDE UP. What is a “fun PR strategy” that starts from that lingering sense of unease? | Lecture Report

Takuma Shimizu（SUNNY SIDE UP Inc.）

WORKS 2025.12.03

Promoting Kumamoto’s Charms from the Tokyo Metropolitan Area! A Report on “Autumn Kumamoto Umakamon Fest in TAKANAWA GATEWAY CITY,” an Event Featuring Gourmet Food, Local Sake, and Comedy

Ruriko Sanada（SUNNY SIDE UP Inc.）

DAYS 2025.12.02

Beyond “Evaluation”: SUNNY SIDE UP GROUP’s Sustainability Discussed at EcoVadis Panel Discussion | Event Report

Haruka Ano（SUNNY SIDE UP GROUP Inc.）

WORKS 2025.12.01

[East Japan Railway Company × SUNNY SIDE UP] The Creators of TAKANAWA GATEWAY CITY Discuss Their Vision for an “Experimental Ground for Enriching Lives 100 Years into the Future”

Yoshiyuki Miyazaki（SUNNY DAYS Official Writer）