Reincarnated Noble, I Am the Shadow!

[Another world + invincibility + witch + shadow master = great fun! ] Luo Er, a young man in his twenties, was reincarnated into a different world after his death and became a noble young master. At the beginning of the game, his mother found him a genius girl as a teacher, but this girl's identity is actually the daughter of a duke? I originally thought that my aristocratic life would always be ordinary. But when he came back to his senses, he found that he was already the leader of a mysterious organization, surrounded by powerful witches. When he learned that his enemy was actually a god, a contest between humans and gods began!