"We will move tomorrow ..." When her only son, Akira, graduated, she decided to live on her husband's business trip, and when she was firefly, Akira was working hard to clean the house she had lived in for many years. I especially like the bathroom, even when Akira loses love ... when she gets muddy in club activities ... the two have exposed each other as they were born. And it turns into a forbidden relationship ... Two people taking the last bath that night. Meanwhile, I tell you that Hotaru is in Akira ...