The mother of a beautiful best friend, a younger man unfamiliar but addicted to strong sex...

I've been going to Hayato-kun's house every day recently, a friend I've been in middle school. Of course, playing with Hayato-kun is fun, but there was another reason to go to Hayato-kun's house. This is because he wanted to meet Hayato-kun's mother, Arisa. I know it's no good to fall in love with my best friend's mother, but I couldn't get Arisa out of my mind forever. One day, ironically, I ended up moving. With the remaining few days, I was afraid that I would leave Arisa like this...