Kappei Yamaguchi as Tsutomu Yamaguchi (voice)

Rumi Shishido as Mikako Koda (voice)

Chizu Yonemoto as Shintaro Nakasu (voice)

Kyousei Tsukui as Jiro Nishino (voice)

Shiho Niiyama as Risa Kanzaki (voice)

Takeshi Aono as Houji (voice)

Tomoko Naka as Tsutomu's mother (voice)

Wakana Yamazaki as Mai Ota (voice)

Yuko Minaguchi as Ayumi Oikawa (voice)