空豆（広瀬すず）と音（永瀬廉）が出会った歌姫・菅野セイラ（田辺桃子）。ひとつ屋根の下で一緒に暮らし夢を追うが故に、なかなか自分の気持ちに素直になれないでいる空豆と音の関係に、突然、セイラが加わることに。空豆は、音とセイラが一緒にいる姿を見て、夢を追う音を応援しながらも自分の気持ちに戸惑い始めて…。
Soramame and Oto met the diva Seira Kanno. Soramame and Oto, who live together under one roof and are pursuing their dreams, have a hard time being honest about their feelings, but suddenly Seira joins their relationship. Soramame sees Oto and Seira together, and while she supports Oto in pursuing his dream, she begins to be confused about her own feelings.
