Responses
Life of a magic academy mage?
https://www.mangago.zone/read-manga/life_of_a_magic_academy_mage/
thank you so much this is the one ive been looking for
The MC is a reincarnated college grad. then he died and reincarnated to another world, and he is going to study again in a prestigious academy. the founder of the school is a high ranking undead flying his skull head around