Beach Boys

Tatsumi is a college student and a part-time manager for at a private beach that no one visits. His only customer is Ryo, a beautiful and tanned high school student who doesn't fit in with the other members in his beach volleyball club. Tatsumi identifies with the boy's situation and helps him practice. They grow closer over time, and finally Ryo begs Tatsumi to let him be on top if he wins his volleyball tournament...!

(Source: Renta!)