I will save the Villain to save Myself

"I am the villain, but I will make sure that I am going to save myself from death this time!" A part-time employee Ralph Cliffscar is fatally struck by the truck and dies. However, instead of entering the afterlife, he finds himself transported to another world, the Kingdom of Arventia, a fantasy series he recently watch. He’s been cast as the villain character, Livius Sarrafort, who had the goal to destroy the kingdom. The ending of the series is the villain’s death, so he has to find a way to save himself from death in order to live a normal life!