Based on erotic game by Frill.

Touya’s days with his tutors continue as his parents are out once again, leaving them all alone with him.

While his dad will be away on a business trip, Touya will be taken care of by 4 beautiful tutors during the summer.

Tatsuo is a skilled masturbator who suddenly dies from masturbating too much. After dying, his soul was transferred to an isekai. An isekai goddess grant him a wish, then Tatsuo told him that he wanted a super cock that could make all women sigh with pleasure and make all women unable to live without it. He wants to make a harem with women who are already addicted to his super cock. (Source: Nekopoi, translated)

Keita Sasahara’s friend, Mika Kuramoto, introduced him to a close friend of hers named Riko, and they fell in love soon after. They became a happy couple, but two months into the relationship everything changed—Sasahara witnessed Riko shamelessly kissing another guy. That night, he goes drinking with Kuramoto and a couple of other friends, and ends up going to her apartment. On their way home, Kuramoto finds out that the guy kissing Riko was actually Shunpei, her own boyfriend, lending the night an unexpected twist. The two friends proceed to drink their grief away together—and, as the hours pass by, the sexual tension between them grows, resulting in an erotic and passionate evening. [Written by MAL Rewrite]

Set in a rural town, Kouta is the only son and heir to the Mikomori shrine in the small redeveloping town of Tsumagoi-chou which had been declining in popularity. He didn’t have any interest in inheriting the shrine. Instead, he focused on his studies, aiming to be a civil servant upon graduation. His widowed father talked about marrying a young girl, but then he suddenly disappeared. That girl Erina came to live with him, along with her younger sister Motoka. With the help of his childhood friend Mio and a few supporters of the shrine, they managed to continue living normal lives. One day, Erina brought home a girl Mai, who called herself his fiancée. One thing led to another, culminating with Erina ordering him to get her pregnant.

The hero’s family hires a “sugar sister” named Hinano-san to take care of him after school. The two fall for each other and have several sexual meetings.