Math Tutor (Gender Neutral Reader X Tachibana Makoto)

It's they're first day at Iwatobi High School, home of the famous Iwatobi Swim Club. They're family has just recently moved to the city, wanting to find a new start. They catch the eye of none other than the famous backstroke swimmer Tachibana, Makoto. But when Haruka starts failing in mathematics, the new kid is appointed to be his tutor, and someone gets a little jealous.