Boys who cant help but worry about Nobras mother-in-law, Kana, at home. - After his fathers remarriage, the brothers wanted to get along with Kana, who was beautiful and kind, but the relationship continued to be jerky. - The stalemate between mother and child broke when Kana noticed her hot gaze, which could be said to be an anomaly of her breaths staring at her chest. - ... Are you interested? Kana, who doesnt want to quarrel with her breathes, suggests that she expose her breasts in front of her sons and touch her freely, provided that she has only a little. I will. - Are you really okay? The boys swallowing raw spit. - Still at this time, Kana didnt fully understand how much her interest and lust for her sons female bodies was growing ...