Fantasy

“Bullets don’t work against the nobles” Japan, including their 23 districts, were in a enormous tower. Every district was ruled by nobles. The history of the four war kings.(Source: MangaDex)

The main character "Ryuya" is told that he has no skills and is abandoned by his friends. There is no choice but to raise the level in order for him to compete with those who have skills. He continued his training in the forest and raised the level to 8 million over five years. Due to its excessively high level, it is no longer an enemy, let alone a skilled human, even a demon or even a god. This is story of helping people, a simple hero who feels guilty about not having the skills.