All stories

WORKS 2026.01.08

World-renowned designer Junko Koshino and Meiji’s iconic snack “Kinoko no Yama” form an unconventional collaboration! Reporting on the “Kino-Colle” fashion show celebrating the 50th anniversary of its launch.
DAYS 2026.01.07

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

Sunny-chan
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

宮崎新之（SUNNY DAYS オフィシャルライター）
DAYS 2025.12.25

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

Sunny-chan
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

宮崎新之（SUNNY DAYS オフィシャルライター）
DAYS 2025.12.08

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

Sunny-chan
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

清水拓磨（営戦略局 経営企画・マーケティング室）
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

眞田 瑠璃子（パブリックリレーションズ事業本部・4局）
DAYS 2025.12.02

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

穴太晴香（社長室 ソーシャルグッド推進グループ）