Returning to the home where he once lived among six elder sisters, Kuuya steps back into the Hiiragi household after years away with distant relatives. Most of the sisters greet his arrival with open warmth and curiosity, eager to reconnect with the only brother they knew. Yet beneath the cheerful reunions, lingering emotions tied to his past closeness with Kaname create subtle tension. As the family settles into shared meals and conversations, the familiar rhythms of their daily life begin to reemerge.