After a massive argument with his wife, Tatsuya was left alone. He tried to make amends but failed. Just then, his sister-in-law Kana offered to mediate the fight out of concern. Having no choice but to be grateful for her help, Tatsuya invited her into his home to discuss the matter. However, he couldn't hide his fluster as Kana closed in on him without any guard. He fled to the bath, but Kana suggested joining him…
