Responses
Major spoiler
He was actually ML's father.
Shit
Woah
WHATT
I KNEW THEY ARE RELATED, SAME EYE COLOR IS WAY TOO OBVIOUS WHSJJAJSJA
I'm not sure if I'm overthinking or just being slow, but could it be that the MC's former teacher is actually the ML reincarnated? I only read chapters 19-20 to catch up on the new updates, and letting it sit for a while before continuing again.