One day, a big-breasted woman named "Mika" was handing out flyers outside. Shota picked up the flyer and found out that the woman was a teacher working part-time as a private tutor. Shota couldn't forget about the big breasts of the woman, so he begged his father to let him help him with his studies, but he neglected his studies and started playing pranks on her! In the end, he ended up with the teacher...