Kindergarten principal is uke's father. So when uke Ren doesn't become successful as an musician until the age of 25, Ren should take over the kindergarten. Since he's father said like that Ren returned to work at the kindergarten as a sensei. Then he met with seme kiichi-kun and kiss him while saying I can make you to forget about your ex-gf. And seme takes the offer and date with him.
Sensei Datteyarashii Koto Shitai