Ren'ai Houteishiki

Ren'ai Houteishiki summary:

The one-year-younger, cry-baby, childhoodfriend, Kanade, suddenly took Meguru’s first kiss! Though he's grown taller a bit recently, and the girls made a big fuss and called him “the piano prince”, I will not be tricked. He’s a pervert who steals another guy’s lips! With additional pages, the perfect version is now on sale. This manga skips a few years ahead of the ending of Kodaka Kazuma's Kusatta Kyoushi no Houteishiki... Now it's time for the kids to shine! It features all of our favourite couples from Kusatta plus some new ones, and the artwork is completely gorgeous! The first chapter was first released as an extra of volume 2 of Not ready sensei!