If you're looking for manga similar to Blood Honey, you might like these titles.
Mikhail is a vampire who loves humans. He picks up a human boy named Johann and raises him as his son. But Johann doesn't see Mikhail as only his benefactor...
Claude, a vampire who just arrived in town seeking fresh blood, meets a handsome man, Father Ruslan. However, while he was thinking about making him his dinner, he's the one who gets eaten! He also ends up with a seal on his arm, putting him in a state of absolute submission. In the end, Claude becomes the one getting gently nibbled on by Ruslan's pet lycanthrope and by Imp the imp, among others!!
Shuri is an orphaned college student who was raised by his (very) distant cousin, Hisato; a centuries-old vampire who dreams of one day meeting his soulmate. Hisato will have sex with pretty much anyone in the meantime - including Shuri - but he refuses to commit himself to anyone less than the one destined to be his "heart". Shuri wants to be his "heart" more than anything, doing his best to chase away the string of enamored humans who offer Hisato their blood and body, but can he convince the vampire he loves that the two of them belong together - forever?
Alucard, known by “Al” for short, is a vampire who has been raised by a priest, You. Providing Al the fluids he needs to survive has created an unusually close relationship between the two, but what will become of their partnership as You’s mortality catches up to him?
Sagara Yuichi is an aspiring writer who was caught in a convenience store robbery. Despite having the chance to escape, he lingered to gain writers experience, and ended up getting stabbed. During his last breath, a strange guy appeared claiming it was fate. A few hours later he awakens and finds himself sleeping naked next to that strange guy. Then that strange guy tells him that his blood is "S-Class" and that he's going to be Yuichi's lifetime "partner". Will the pragmatic novelist be able to wrap his mind around all this...?!
He was all alone, until he found his savior... Rei has eternal life by feeding on the energy of other beings. He's not human and the only way for him to become mortal is to find his "soulmate"... As all of his fellow beings find their partners and die along with them, he's been alone now for hundreds of years without ever finding his soulmate. But, when he meets the wealthy and carefree Yuto, Rei begins to feel something that he's never felt before...
A single parent and salary man, Atsushi, met his neighbour Hiiro through strange circumstances. He is concerned about beautiful, but also somewhat lonely Hiiro, yet he was told "You've heard of vampires, right? Don't get close to me..." Even so, Atsushi can't leave him alone and makes a proposition...?!