The first game under the new Pulltop Air label. A heart-warming visual novel about a protagonist who suddenly moves to the countryside to live with his sister-in-law once he learns of her existence. Takefumi Morioka’s mother has died a long time ago and his father is living somewhere abroad. One day he receives a letter addressed to his father, from a girl who claims to be his daughter. With the sudden appearance of his “sister” he sets off to meet her without hesitation. And once there he finds the girl Yuzu Yaehara at a remodeled watermill located in a beautiful rural town. She has been living a solitary life since the passing of her grandmother. But now with Takefumi as her guardian he intents to listen to any of her requests, deepening their bonds as they start their sudden sibling life.