Toru Nomaguchi

as Tachikawa : Agency for Natural Resources and Energy / Electricity and Gas Industry Department Director

as Takafumi Ozaki

as Doctor

as Meiko's Boss

as Shigeru Kogura

as Koichi Soejima

as Reta XV (voice)

as [Ramen shop owner]

as Koya Nishihori

as Takumi Tsuruta（鶴田 匠）

as 谷村悠哉

as Shinichi Shibuya

as Nakamura

as Udono Nagateru

as Sōichi Kawai

as Hasebe Toshio