Akito came to visit his cousin to help her with the housework. He coped with his task, and in gratitude, his sister invited him to dinner. During dinner, she went a little overboard with alcohol and began to behave more relaxed. Akito decided to take advantage of the situation and lost his virginity.

A new sequel to The Paradise Sisters series was released in 2011. This time, however, another studio took part in the work on the project, and a new person became the director.

Young Japanese Mikio returns to his hometown after a long absence. He stops at a local hotel to get some rest and relaxation. The hotel is completely imbued with the spirit of Japan's past: there are wooden rooms with bamboo walls, and the staff wears kimonos and yukatas.

Higashigakure is a city located among the mountains. For many centuries, there has been a tradition here associated with the rite of appeasing the deity. According to this tradition, men gather together to have an intimate relationship with a woman who has been chosen to participate in the ceremony. The purpose of this action is to appease the deity.

Sarah is a pirate knight known for her brutal reputation in a galaxy that is going through hard times after a long war. In search of the "sword of Bernstein" and striving to occupy the imperial throne, Sarah embarks on a journey through the galaxy.