No heroine, parallel world (do not like it if it does not match the history of the real world), time travel, and system.
It feels so good to pretend to be a cool guy, hehehe.
I want to show it off, [No, you have to go to the grave, otherwise it would be better to die.
The ancient tomb is so dangerous. It's outrageous to kill the owner of the tomb before he's dead!
