祥平黒田 4/12/24 祥平黒田 4/12/24

"The Salaryman Who Brought Billboard: A Dream Habitat Created by Mercenaries from a Railway Company" by Masato Kitaguchi

It all begins with an idea.

祥平黒田 4/12/24 祥平黒田 4/12/24

"Recommended Books for Startups" at Kitaguchi Bookstore

It all begins with an idea.

祥平黒田 4/12/24 祥平黒田 4/12/24

"Strategies of Billboard Japan: Business Opportunities in the Music Industry's Future"

It all begins with an idea.