Oushitsu Kyoushi Haine: The Reincarnated Prince.

He never expected to die. (Well, he had an inkling some people would eventually assassinate him out of jealousy for his success in life). And he also never expected to reincarnated into a baby. A prince to be exact. In a world that is awfully similar to the anime Oushitsu Kyoushi Haine which he just finis...