Akira gets to know his girlfriend’s father more when they all spend the night together.

There are three titles in this series:

1. *Tabi no Yoru no Himitsu * (A Trip's Secret Evening)

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

2. Shikkaku Boyfriend (Failure of a Boyfriend)

Akira went to his girlfriends house to help her study with her homework. Only when she mentions her father did Akira react to it like an aphrodisiac. He excuses himself, hoping to dash away from the problem by going to the bathroom, only to run into the father halfway there. Rika is going to be waiting for awhile.

3. Hanabi no Yoru no Himitsu (Secret on the Evening of Fireworks)

Akira and Rika head out to enjoy a festival date, but as always Rika's Father can't let Akira be. After dirtying the yukata gifted to him by the older man, Akira is given a chance to be forgiven. If he can withstand going on his date with the constant teasing torment of a special gift, that is. Will Akira be able to hold out and enjoy the festival with his girlfriend? Or will her Father and his plans prove to be too much for the boy?