"I'm going to make a mistake if I keep doing this!" Kenichi decided to live with his wife's mother, Ao, after getting married. There I face something unexpected. I have come to the sex appeal that unconsciously overflows from the blue. Reason wears down to the sensuality that makes you mistakenly think that you are tempted. I desperately try not to be conscious of Ao ... The moment I meet Ao, the tag of reason finally comes off ...