Kyonosuke Kami

as Zen Tachibana / Narrator (voice)

as epsilon (12 episodes)

as Yuri Kellarny (voice) (12 episodes)

as 斉明寺高麻呂 (153 episodes)

as Ypsilon

as Ypsilon (voice), as Simno (voice) (1 episode), as member (voice) (1 episode), as Epsilon (voice) (19 episodes), as man (voice) (1 episode)

as Officer A (voice) (1 episode), as Additional Voices (voice) (3 episodes)

as Zen (39 episodes)