Grandson of the Holy Emperor is a NecromancerThe Holy Emperor's Grandson Is a Necromancer; 성황의 손자는 네크로맨서; Seonghwangui Sonjaneun Necromancer; Grandson of the Holy Emperor Is a Necromancer; 聖皇の孫はチートなネクロマンサー

Our MC dies from an accidental electrocution and ends up inhabiting the body of a young prince in another world, his new profession being the Necromancer he chose in the game he was playing before his untimely demise. However, things are not what they seem including his own Necromancy skills!