たびのよるのひみつ

Akira's overjoyed to go to the hot springs with his cute girlfriend Rika, even if it means her father is tagging along. But when his youthful hormones get the better of him at night, it isn't his girlfriend who takes notice, but her dad! The older man doesn't hesitate to take advantage of Akira's embarrassed silence, ravaging the boy while his daughter sleeps soundly beside them, and no matter how he tries to resist, Akira is helpless before the pleasure... (Source: Fakku)