A mother's best friend is always an aunt. Yuuta had been determined to live alone while his parents were away on a trip, but his resolve changed when he saw his mother's best friend, Akane. Akane, who offered to take care of him in place of his mother, had breasts far beyond his imagination, and he couldn't take his eyes off them for even a moment. Yuuta tried every trick in the book to get her attention, wanting to become friends with her. Seeing such a stubborn Yuuta, Akane began to feel mischievous...
