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Katsumi ShibuyaBirthdate: 1. October
Body size: 170 cm
Weight: 54 kg
Katsumi is Koji’s manager and best friend.
When his sister Madoka died after long suffering, Koji was there to sing a song special to her.
Thereupon the record company of his Uncle signed Koji on.
Katsumi is very open minded and smart. He flirts with everything that can move.