Lately, I've been going to the house of Hayato-kun, a friend of mine since middle school, every day. - Of course it was fun to play with Hayato-kun, but there was another reason for going to Hayato-kun's house. - It was because he wanted to meet Hayato-kun's mother, Arisa. - I know it's wrong to fall in love with my best friend's mother, but I couldn't get Arisa out of my mind. - One day, ironically, I decided to move. - With only a few days left, I was afraid of leaving Arisa-san like this...