Musuko no Sensei wa Kyonyuu Bijo ♡ - Oneshot

[MangaDex]

 

[NorseLoki]

Read something very similar to this in the past... can't remember the name

 

[Armp1t]

Doesnt look like his wife is dead, maybe divorce, then its impressive that he can gain custody of his son

 

[whydidireadthis]

Pretty good one