Kazuki Tachibana

Оригінальне ім’я: タチバナ・カズキ

Kazuki was Jin's best friend from before the accident. The two had promised to go into space together, resulting in their admission into the astronaut training program, but the shuttle accident caused Jin to leave the program. Kazuki now works for the ISDA as part of the Dragonauts after his successful Resonance with Gio.