Azu was unable to meet her sex friend and was busy with sexual desire and free time. While taking a walk in the park on a whim, he picks up a ticket for a dubious "Ojisan Gacha". She headed to the venue with some doubts, but then she completely forgot about it... when a strangely large and heavy package arrived at her door. What emerges from the rattling cardboard box is an unexpected prize: Uncle M!