Mokomichi Hayami

Hiro Mizushima

Saki Aibu

Eisuke Sasai

Natsuhi Ueno

Takuya Kanai

Kenta Satoi

Komoto Maki

Kaji Masaki

Sakuragi Ryosuke

Watanuki Shoichi

Tsubaki Nekoze

Meikyo Yamada

Rie Minemura

Erena

Jingi Irie

Kei Yamamoto

Shunsuke Nakamura

Kuranosuke Sasaki

Miki Maya

Fumi Hashimoto

Genta Satou

Kitagawa Manabu

Ayaka

Masato Hijikata

Yuu Watase

Audio Highs

Yuko Fukushima

Rika Nezu

Robot maker, Kronos Heaven, finally develops "Night Tenjō", the perfect male humanoid programmed to be devoted and completely loyal to his lover. The company chooses temp worker Riko Izawa to take part in a five-day free trial. At first, Riko only sees Night as a household appliance. But when she finds out how deep Night's devotion to herself is, Riko finds herself falling in love with him. Joining the love triangle is Sōshi Asamoto, a distinguished young executive at her company who has feelings for her.