Mamoru Miyano

Kei Nagai (voice)

Yoşimasa Hosoya

Kaito (voice)

Hoçu Otsuka

Satō (voice)

Takahiro Sakuray

Tosaki (voice)

Mikako Komatsu

Izumi Shimomura (voice)

Daisuke Hirakava

Kōji Tanaka (voice)

洲崎綾

Eriko Nagai (voice)

木下浩之

Ikuya Ogura (voice)

櫻井トオル

Araki (voice)

Ço

Teacher (voice)

Ayaka Asay

Young Kei (voice)

合田絵利

Young Kaito (voice)

KENN

Watanabe (voice)

Ryota Osaka

Keisuke Nakajima (voice)

三宅貴大

Ota (voice)

沢海陽子

Kei’s mother (voice)

Minoru İnaba

Professor Yuji Kishi (voice)

中村章吾

Professor Hiroaki Wakai (voice)