Azu, who couldn't meet up with her fuck buddy and had too much sexual desire and free time. While taking a whim-driven walk in the park, she picked up a suspicious ticket for an "Old Man Gacha." Half-believing, half-doubting, she went to the venue but soon forgot about it... What arrived at her girlfriend's place was a strangely large and heavy package. Out from the wobbling cardboard box was the unexpected prize, 'M Uncle'!
