Ataru came to visit a relative's house during the summer vacation. She has always been a kind and beautiful Izumi. Ataru had always been looking forward to meeting her aunt. However, Ataru witnesses the scene where Izumi and her uncle are violently confused in the middle of the night. Ataru, who was violently shaken by her beloved aunt's innocent female appearance and at the same time made her inferior, confronts Izumi and hits her thoughts just before returning to her home.
