The Parasite's Survival Game

The story of an ordinary person who transmigrates into a parasitic creature and survives in various worlds, witnessing powerful figures grow ever stronger and all the many facets of life, while searching for their true self amid blood and bone.

[Anime Crossover] + [Some Original Characters] + [Genderless] + [No CP] + [Neutral] + [The Protagonist Has No Plot Armor]

The author will try to choose works with darker worlds and a heavier tone. There may also be some obscure works. Well, I'll do my best to make each one understandable to every reader.