Makio Kōdai is a shy 35-year-old woman. She works as a novelist. One day, her sibling and her sibling's married partner die in a car accident. Makio Kōdai attends their funeral and meets her 15-year-old niece Asa Takumi, who is now left alone due to her parents’ death. The other relatives at the funeral speak insensitive words around Asa Takumi. Makio Kōdai gets furious at them and decides to take in her niece. Makio Kōdai, who has problems having relationships with other people, and Asa Takumi now begin to live together.
新垣結衣
as Makio Kōdai
早瀬憩
as Asa Takumi
瀬戸康史
as Shingo Kasamachi
夏帆
as Nana Daigo
小宮山莉渚
as Emiri Nara
銀粉蝶
as Kyōko Kōdai
中村優子
as Minori Kōdai
伊礼姫奈
as Chise Morimoto
染谷将太
as Kazunari Tōno
滝澤エリカ
as Mimori
