Kenta was at his wit's end. The cause was his sister-in-law, Reina's strange behavior. It was fine up to the point where she came to help with the housework while his wife was on maternity leave and visiting her hometown. However, her subsequent inexplicable actions were too many. She came into the bathroom naked, saying she wanted to wash her back... (Could she really be inviting me...? No, that's impossible.) Kenta concluded that Reina's inexplicable actions were just a tease. With a troubled heart, he got into bed... and there was Reina...
