Tsutomu Katsuragi has been sleeping with his sister-in-law turned lover-in-law Mai due to his brother always being on a business trip and neglecting her. Their adulterous affair doesn't go unnoticed however, as their co-worker Kozue Takama has noticed how close they act around each other and can't help but feel envious as her husband is also always away for work and she feels lonely. So Mai, being the good friend she is, sets her and Tsutomu up for a date blushes How do I look, Tsutomu-kun?