One day, the protagonist named Kazuya Hayakawa suddenly began to see a message window in his field of view. To clear it, he receives the condition "have sex", and so he will go and have sex with the various...

Despite the title, there are no water sports in this story. Just one girl has her toilet malfunction and doesn’t manage to reach her neighbor's in time. That neighbor (the protagonist), then invites her to get...

Me who lives in the house of my half-sister. At home, the image of my sister who uses violence, in her underwear is like a tyrant who rules a country (Our room) with power! For a while, I was determined to...