I think kodaka sensei has feeling that ren stole his happiness for twice, the first one when he was in the orphanage and of course, haru... he may hold the grudge for a long time ( ̄へ ̄)
Yeah..I think it'll be common story, but yes, I should admit it's interesting and it had a good start... i"ll wait the next ch (●'◡'●)ノ
I think kodaka sensei has feeling that ren stole his happiness for twice, the first one when he was in the orphanage and of course, haru... he may hold the grudge for a long time ( ̄へ ̄)