One Punch: as My Liver Proficiency Becomes Stronger, I Will Eventually Become Invincible

[Combat + multiple abilities + invincibility + cool writing + not traveling through other worlds] (The ratings have just been released and will increase later) Suddenly, he was transported to the world of One Punch Man, and received a lottery wheel that could extract any ability. At the beginning, you gain the ability to become stronger by swinging your sword. Standing in front of you now is Yanagi, the Sword of Destruction, the stern father of non-humanoid monsters, the great master of kendo, the strongest hero of mankind, Saitama's lifelong friend and rival, and the founder of the overclocking genre, Kawa. Whether it is a powerful weirdo or a god who wants to destroy the world, he will eventually crawl at his feet. Yanagawa's reputation will eventually spread throughout the universe.