From the same creator of JoJo's Bizarre Adventure, teenager Ikuro Hashizawa can transform into the parasitical bio-weapon, Baoh, gaining superhuman strength and other abilities such as firing a corrosive substance. He escapes from the Secret Organization Dress along with a young psychic girl, Sumire, and the two must face various assassins sent by the organization to kill him.
Link:
[JoJo's Bizarre Encyclopedia](https://jojowiki.com/Baoh_the_Visitor) (Manga)
[AnimeNewsNetwork](https://www.animenewsnetwork.com/encyclopedia/anime.php?id=259) (OVA)