Devil World With System Reincarnation reincarnation

Our Mc is reincarnated as a low class devil in this world where his forefathers of this world always wanted to make there family to mid rank by cultivating a mid rank devil but they never succeed even when there are academy system from 5 generations still because of there unstable body cultivation base which is the only thing not given in academy as they are to be given on birth of child by there family and these techniques are ancient given by ancestors to every family.
See how Mc start his journey in this fantasy where AI are used by these advanced world in academy system given to every student of each academy.