Kite and Hiro are a gay middle-aged couple with a daughter named Shizu, born with the help of a lesbian best friend Erika. The two men have taken great care in raising Shizu, but are shocked to find out she has a boyfriend and is pregnant, and struggle to keep their own relationship together while grappling with their new reality.

Taishi Takemoto
as Kaito Miyamura

Seiji Nakamitsu
as Hiromu Takizawa

Dai Nakane
as Naoya Uchida, boyfriend

Shizu
as Erika Miyamura

Tonan Morijiri
as Omori Ondo

Kazu Itsuki
as Natsuo, bartender

Andrei Tanaka
as Actor

Takahiro Nomura
as Salesman

Yuria Hidaka
as AV actress

Shôichi Yokosuka
as Man who offers to buy drink