Similar themes of vampires and forbidden romance:
* Blood Lad: This manga features a powerful vampire who falls in love with a human girl, leading to a hilarious and action-packed adventure as he tries to protect her and navigate the human world.
* Dance in the Vampire Bund: A young man discovers that his childhood friend is actually a vampire princess, and the two are thrown into a world of political intrigue and supernatural battles.
* Trinity Blood: A story about a vampire who is also a priest, fighting against a growing threat of demonic forces, while struggling with his own dark past.
* Seraph of the End: This post-apocalyptic manga features vampires ruling a world ravaged by a deadly virus. It follows a group of young humans who fight for their survival against the vampires.
Similar themes of hidden identities and secrets:
* Black Butler: A young boy forms a contract with a demon butler who works to protect his family from hidden enemies.
* Pandora Hearts: This fantasy manga follows a young man who is thrown into a dangerous and mysterious world called the Abyss, where he must uncover the secrets of his past and his family.
* Kamisama Kiss: A homeless girl stumbles into a magical world and becomes the land god of a shrine, with a charming fox spirit as her familiar.
Similar themes of romance and action:
* Fruits Basket: This classic manga follows a young girl who is taken in by a family cursed to transform into animals of the Chinese zodiac.
* Ouran High School Host Club: A scholarship student accidentally enters the exclusive Host Club and is forced to become one of the hosts.
* Soul Eater: This action-packed manga follows a group of students at a special academy who train to become weapons for a powerful god known as the Death Scythe.
If you're looking for a specifically darker and more mature tone:
* Shiki: This horror manga centers on a small village that is ravaged by a series of mysterious deaths, and the arrival of a group of vampires.
* Vampire Hunter D: This classic story follows a vampire hunter who faces off against a powerful, ancient vampire.
Ultimately, the best manga for you will depend on your specific preferences. Consider which elements of Vampire Knight you enjoyed most and look for similar themes and characters in other manga.