宮野真守

Kei Nagai (voice)

細谷佳正

Kaito (voice)

大塚芳忠

Satō (voice)

櫻井孝宏

Tosaki (voice)

Mikako Komatsu

Izumi Shimomura (voice)

平川大輔

Kōji Tanaka (voice)

洲崎綾

Eriko Nagai (voice)

木下浩之

Ikuya Ogura (voice)

櫻井トオル

Araki (voice)

チョー

Teacher (voice)

朝井彩加

Young Kei (voice)

合田絵利

Young Kaito (voice)

KENN

Watanabe (voice)

逢坂良太

Keisuke Nakajima (voice)

三宅貴大

Ota (voice)

沢海陽子

Kei’s mother (voice)

稲葉実

Professor Yuji Kishi (voice)

中村章吾

Professor Hiroaki Wakai (voice)