4. Bölüm

土屋神葉

Kenjiro Kuzumi [Real estate company "KT Foundation" employee]

大浦龍宇一

Jun Shintani ["KT Foundation" manager]

大高洋夫

Sadao Masuyama ["KT Foundation" chief]

少路勇介

Naoumi Saeki ["KT Foundation" former employee]

並樹史朗

Shinichiro Sakuraba

水木薫

Keiko Kubo

栗田よう子

Mitsuko Kuzumi [Kenjiro's mother]

Masato Tamura

Administrator

Ryudai Onikura

Kan Wakatsuki ["KT Foundation" employee]

中脇樹人

Kenichi Kuzumi [Kenjiro's father]

あいだあい

Misaki Katsura [First corpse discoverer]