【The first volume】My wife is my neighbor’s sister. It’s a good thing I’m not the only one.

The story is about a young man who gets married to his neighbor’s sister Shiori. It’s a story about a man and his family, and how they’ve come to be together. His wedding night is interrupted by his brother-in-law and sister-in-law, and he suffers from marital blues. On top of that, his sister always takes the lead when it comes to sex. Koya’s mother-in-law, sister-in-law, and his classmates are all involved in his quest to improve his technique. While he is relieved to have succeeded in pleasuring his sister, problems start to occur one after another, including an affair and a pregnancy! The story is about a newlywed couple with an age difference, and how their marriage is going to work out.

This work was produced with the cooperation of the original author.