Protagonist's Sister-in-Law as a Heroine

My estranged older brother has recently returned to our home. And he’s brought his beautiful wife with him. He says he’ll only be there until he...

The main character is shocked to meet Miki, his older brother’s fiancee, because she is the woman he used to love. He didn’t even know her name, but...

Akane was sexually harassed by her sister’s fiance Takeru, but Akane, who likes Takeru, couldn’t turn him down. His harassment escalates and Akane...

Handa Masayuki and Mayuka have finally gotten married after seven years together. Today, they’re moving in to their new home, and Mayuka’s sister,...

A couple who met in their high school years, married later on and are a having happy and adventurous sex life. A wife works as a manager of the restaurant who...