Yuta assumes his mother’s friend must be just another middle-aged woman and plans to enjoy living alone while his parents travel. Everything changes when Akane arrives to look after him. Her enormous breasts exceed anything he imagined, and he cannot take his eyes off them. Desperate to get closer, adult-role-play Yuta tries every trick he can think of to win her attention. His earnest efforts awaken Akane’s mischievous side, and she begins to tease him.