Ryuujirou Kotobuki

Ryūjirō Kotobuki is a supporting character of the manga series Grand Blue. He is a third year Mechanical Engineering student at Izu University.

Peek-a-Boo members:

 * Iori Kitahara:


 * Shinji Tokita:


 * Kōhei Imamura:


 * Chisa Kotegawa:


 * Azusa Hamaoka:


 * Aina Yoshiwara:

Grand Blue employees:

 * Toshio Kotegawa:


 * Nanaka Kotegawa: