Junior's Got Attitude(2016)

Namaiki Hierarchy

Yui's younger friend Mikki always seems to turn up at the same school as him. They've been together all through middle school, high school, and college. Mikki's got an attitude, but deep down, it seems he's in love with Yui... Yui's always felt superior to Mikki, but one day, he takes his provocation a little too far...!

(Source: Renta!)