Koushirou Izumi (泉光子郎) is a main character in Digimon Adventure: Last Evolution Kizuna, voiced in Japanese by Mutsumi Tamura. The series' music includes "Digimon Adventure Last Evolution Kizuna insert song Sono Saki E-What lies ahead English Lyrics", "Digimon Adventure Last Evolution Kizuna insert song Sono Saki E-What lies ahead English Lyrics".