With her apartment building scheduled for demolition, Mei Itsukai is searching for a new place to live when Kasumi Tsuki suggests they become roommates. They naturally begin living together, but in truth, both women have secretly harbored feelings for each other. Kasumi, however, has been hiding her LGBT identity, afraid of ruining their relationship and suppressing her emotions. Living under the same roof becomes too much to bear, and one day, Kasumi suddenly kisses Mei. Their hidden feelings begin to blossom, and a new relationship starts to unfold.