I'm Not A Bad Slime, Probably

A young man's soul, instead of being transferred to the afterlife, traversed the void and ended up in spatial turbulence. Coincidentally, three passersby found the floating soul and inspected it. Upon glimpsing the soul's memories, two of the three pitied the unfortunate soul and decided to reincarnate him. However, lacking knowledge of his world's coordinates, they opted to send him to another world they found previously while providing him with a system and the skill [World Travel], hoping that he would be fortunate enough to return to his original world.
Awakening from a deep slumber, the young man was shocked to discover that his body no longer obeyed his thoughts, hinting at a disturbance in his nervous system. Further investigation revealed the startling truth – he now inhabited a slime body. Realizing he was still alive and equipped with a system, he resolved to seize this opportunity, striving to grow stronger before returning to his original world. His objective became clear: to traverse other worlds sequentially, embracing his new identity as a monster on this unexpected journey of self-discovery and empowerment.
This is the story of a young man who was reincarnated as a monster who tries to find his way home.
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Original World: Solo Leveling
Other World: Tensura
1st World: Kimetsu no Yaiba (Demon Slayer)
2nd World: Just stay tuned
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Cover by @Luckyomamori
This is a fanfic, so a lot of characters from anime will be appear. And I don't own those characters except some OG characters.