Sons who are always worried about Kana, a braless mother-in-law, in the house.After their father's remarriage, the brothers wanted to get along with the beautiful and kind Kana in their hearts, but their relationship was somewhat strained.The stalemate between mother and child collapsed the moment Kana noticed the unusual hot gazes of her sons-in-law staring at her breasts. "...Are you interested?" Kana, who doesn't want to mess with her sons-in-law, exposes her breasts in front of her sons on the condition that she only a little, and proposes to touch her freely. end up "Is it really okay?" Sons swallowing saliva.At this time, Kana still didn't fully understand how much her interest and libido in her sons' bodies had grown.