Rei Shigasawa, a gay man who has been dedicated to his work, is fed up with a society where same-sex marriage is not allowed and he is constantly accommodating the needs of heterosexual couples. He unexpectedly runs into his former colleague Saya, who retired due to her popularity with men, and is reminded of his feelings for her. However, as they engage in small talk, Saya asks him to let her stay for the night because she has nowhere to go...!? A story that questions the nature of "marriage" and "happiness," featuring the struggles of two people who are complete opposites!