Yuno and her husband returned to their family home for their father's birthday. Her sister and brother-in-law arrived later. The family was enjoying a pleasant time together, but Yuno's brother-in-law, Akira, was different. Sitting next to him, Yuno let him see her underwear through the gap in her skirt and her cleavage from her neckline, exciting Akira. Just then, Yuno's husband had to leave suddenly for work, so Akira sneaked into Yuno's bedroom… Once he committed the mistake, Akira's actions became bolder, pursuing Yuno even with family right nearby…
