It's been a month since Akari, her nephew, Ataru has been living with her. He has begun to think of her as a man, and subtly tries to tempt him, but... Ataru has a strong sense of self-control, and no matter what, he refuses to give in to Akari. Her body aches with frustration, and she continues to satisfy herself day after day... One day, Akari, who was caring for Ataru, who had hurt his back at work and was bedridden, took advantage of his injury and started playing with his penis...