MTL - The Rise Of The Tamer Family - Chapter 264 give you 2 options

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

Enzo ventured into the primitive era, chosen as a priest by the Crimson Star tribe and emerging as the leader, awakening numerous extraordinary abilities in the process.In order to enhance their way of life, extensive reforms became necessary.Mystical sorcery and modern technology advanced hand in hand.While other tribes still dwelled in caves, the Crimson Star tribe had already gained prominence, constructing sturdy brick houses.While other tribes were still using primitive wooden spears and stones, the Crimson Star tribe had forged ahead with iron tools.In the midst of other tribes worrying about food scarcity, the Crimson Star tribe was reaping bountiful harvests of various grains.Furthermore, they possessed an unparalleled army of totem warriors.In response, Enzo, embraced by the luscious temptress and leading the enigmatic cat maiden, earnestly expressed, “I truly only sought to improve our way of life. How did I inadvertently elevate the tribe into a divine realm?”

Aomori, who has a monster-fighting system, came to the world of One-Punch Man and gained the ability to enter various instances.

Therefore, “Founder of the Hero Association”, “NO. “And other titles fell on him one after another.

Comprehensive flow, the main world One Punch Man.

Completed dungeons so far: Pokémon – Demon Slayer – Sword – Pokémon – Digimon – Spell Return – Yokai Comprehensive World (Girls that Noragami Inuyasha can see, etc.) – Pokémon – One Piece-re0-Dragon Ball wait.

- Description from novelbuddy

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.