Full-Force Release

*"Is it really this hard, just because of me?"*

After finishing his military service, Gi-Chan develops a strange condition. Once he gets hard, he doesn't go down until he cums. And when he finally does? He releases an explosive amount of cum. With this dangerous condition, Gi-Chan returns to his hometown... where a seductive new family is waiting for him.

(Source: DAYcomics, edited)