株式会社広済堂ホールディングス News Releases

Heisei Retro/Y2K Icon Hoppe-chan and Gen Z Influencer Group Melpetite Launch KAWAII Collaboration in Shibuya

Kosaido Next, a company of the Kosaido Group, announced a collaboration event between Sun Hoseki’s p… · 2026-05-15

Heisei Retro/Y2K Icon Hoppe-chan and Gen Z Influencer Group Melpetite Launch KAWAII Collaboration in Shibuya

Kosaido Next, a company of the Kosaido Group, announced a collaboration event between Sun Hoseki’s p… · 2026-05-15

[Kosaido Next] Supporting the Creation of New Publishing Styles. Launching "DSR Service" for Publishers from September.

Kosaido Next will launch "DSR Service" from September 2026, enabling small-lot, short-delivery, mult… · 2026-04-27

[Kosaido Next] Supporting the Creation of New Publishing Styles. Launching "DSR Service" for Publishers from September.

Kosaido Next will launch "DSR Service" from September 2026, enabling small-lot, short-delivery, mult… · 2026-04-27