Lately, I've been going to my friend Hayato-kun's house since junior high school every day. Of course she enjoys hanging out with Hayato-kun, but she had another reason for going to Hayato-kun's house. That's because I wanted to meet Hayato-kun's mother, Arisa-san. I know I shouldn't fall in love with her best friend's mother, but I couldn't get Arisa out of my mind. One day, ironically, I decided to move. For the remaining few days, I was afraid of leaving Arisa-san like this...
