BrithdayJune 16, 2004 (21 years old)
Place of BirthSaitaima Prefecture, Japan
as Kotarō Sakuma · Koguma Sky Blue
August 5, 2017
released: 8 years ago
age: 13 years old
as Kotaro Sakuma / Koguma Skyblue
May 3, 2019
released: 6 years ago
age: 14 years old
October 25, 2017
released: 7 years ago
August 8, 2018
as Self / Koguma Sky Blue (voice)
May 9, 2018
