Grave digging system

Became the expelled Uchiha who was demoted to guard the Konoha cemetery Awakened the grave digging system Can't awaken Mangekyo Sharingan without talent and family? The huge Konoha cemetery is my choice! Tired of refining Chakra? It doesn't matter, find a kage-level strong corpse and pick it up! Poor gymnastics? Nevermind, remember Might Guy's dad? Just pay a visit to the cemetery!