As the four gal girls settle deeper into their unexpected cohabitation with the uncle, a playful rivalry quickly takes hold. Natsuki’s bold initiative prompts Ayane to match her enthusiasm, while Reina’s involvement draws Liria into the mix, turning every shared moment into a spirited contest. The uncle finds himself swept along by their affectionate demands, pushed to his physical limits as the day unfolds in a blur of intimate attention. Their lively harem life shows no sign of slowing, leaving him both drained and captivated by the endless cycle of attention.