FEATURES

Client Crosstalk: Partners in Dialogue

“Client Crosstalk” is a special feature where SUNNY SIDE UP and our partner companies sit down to look back on our projects together. Through these candid conversations, we explore the challenges, triumphs, and the collaborative spirit behind our success.
10stories
WORKS 2026.04.24

[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”

宮崎新之（SUNNY DAYS オフィシャルライター）
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”

宮崎新之（SUNNY DAYS オフィシャルライター）
WORKS 2025.11.07

[BG × SUNNY SIDE UP] PR for a New Agricultural and Food Model Connecting Consumers and Producers Through Soil

宮崎新之（SUNNY DAYS オフィシャルライター）
WORKS 2025.10.24

[Azuma Foods × SUNNY SIDE UP] Hidetoshi Nakata’s Appointment as CBO, the PR Campaign for “Tyrant Habanero”… The Journey of a Partnership Spanning Over 20 Years
WORKS 2025.09.30

The Trust Built as a “Partner” That Supported PR Success: SUNNY SIDE UP’s Passion and On-Site Capabilities in Supporting Mori Building
WORKS 2025.07.08

[Fanatics Japan × SUNNY SIDE UP] MLB TOKYO SERIES 2025: What PR strategy drove the excitement behind the scenes?
WORKS 2024.08.30

[AMOREPACIFIC × SUNNY SIDE UP] Korea’s No. 1 derma-cosmetics brand “AESTURA” makes its full-scale debut in Japan & wins multiple Best Cosmetics awards! What is the secret behind its PR…?

伊藤 美咲（SUNNY DAYS オフィシャルライター）
WORKS 2024.08.16

[Mori Building × SUNNY SIDE UP] The Story Behind the “Urban Development” Aiming to Make Tokyo a World-Class Choice!

伊藤 美咲（SUNNY DAYS オフィシャルライター）
WORKS 2024.07.24

[Tokyu Land Corporation × SUNNY SIDE UP] A massive success from day one! What is the secret behind the opening PR strategy for Harakado, Harajuku’s new hub for cultural expression?

伊藤 美咲（SUNNY DAYS オフィシャルライター）
WORKS 2024.03.26

[Yo-Ho Brewing x SUNNY SIDE UP] 2,000 Cans Reserved in Just 5 Hours! Behind the Scenes of the ACC Award-Winning “Yona Yona Ale of Promise” Project

伊藤 美咲（SUNNY DAYS オフィシャルライター）