Kyosuke lost his mother when he was a kid and he has been living with his father since then. But one day, he gets remarried to a young and beautiful woman, Yuki, who has two pretty daughters, Manami and Risa. Though Kyosuke is confused to live with them, they gently and openly take care of him. Kyosuke isn immune to girls, so he often gets sexually excited by smelling their body scent even when eating breakfast. One day, Risa finds it and secretly gives him a blowjob as a joke. Kyosuke soon ejaculates under the table.... Like this, his erotic life with them starts...
The main character starts working at some house as a live-in janitor. There live attractive five sisters. He is an orphan, so he wants to get everything in front of him. Sisters are confused at first, but they are gradually addicted to it....
The other day, when I was reading an adult book, I thought, "I can tell whose breasts they are by just looking at them. Well, am I a king of oppai?" However, there was no way to prove it.... But one day, I receive a letter and it includes a bunch of free sex tickets! Also, the reverse side of each ticket has the photo of someones breasts. When Im confused, a girl, Nil, appears in front of me. According to her, Im qualified to take part in a game. It seems the tickets aren fake. My mission is to look for a girl whos got the same breasts printed on the ticket. Like this, my search for oppai begins....
Yuuki met a beautiful angel once when he was a kid.... He works at a vet now, which is owned by Setsuna, his childhood friend. He lives peacefully with his friends, Setsuna, Shizuru, a nurse, and Wakaba, his younger sister. One day, he meets an angel again.... "Its urgent!" Her name is Seles. According to her, the world is now facing a serious danger, and there is only one way to stop it. She says, "Please believe me.... If I and Yuuki have sex, we might be able to create a savior angel...." "What!? Tell us about it more!" Yes, all the girls living there are in love with Yuuki. But there is no reason to deny it for him. He makes up his mind, and their erotic rituals start now....
Tatsuya experiences the worst day of his life; the game that he developed tanks on its sales, his girlfriend breaks up with him (just when he was about to propose to her) and finally that night when he was speeding up with his car he gets involved in a big accident.
But instead of dying, he finds himself surrounded by a bright light and wakes up in his room in the morning, shortly to notice that he is back into his childhood. But he has all his memories and knowledge, he decides to take this second chance given to him to make his life better...
