Concentration: Invitation to Killing Field

Tomokazu Seki

Rumina Asagi (voice)

Junko Noda

Salma Rufis (voice)

Shin-ichiro Miki

Seki (voice)

Shigeru Ushiyama

Suijen (voice)

Kaoru Morota

Chelsea Rorec (voice)

Haruhi Nanao

Ruri Sarasa (voice)

Mayumi Izuka

Rayon (voice)

Soichiro Hoshi

Ginnosuke Isuzu (voice)

Ikue Otani

Shiel Messiah (voice)

Kaoru Sasajima

Tail Ashford (voice)

Masaki Terasoma

Pyron (voice)

Shingenori Souya

Rou (voice)

Showtaro Morikubo

Kashin (voice)

Akiko Kimura

Kourin (voice)