(W/A) Kotoyama Nazuna isn't the only one who thinks Ko is a delicious snack. And Ko isn't the only one who gets jealous. When Ko draws the attention of four other vampire girls with nefarious intentions, he must fight for his life-even though he wants to give it up to become a vampire. But only to a certain special someone. Unfortunately, there's a time limit on being 'turned,' which raises the...uh...stakes. Then, Ko follows some dating advice that backfires. Undeterred, he tries to help another vampire and mortal mend their love/hate relationship. For older teen audiences.

(W/A) Kotoyama Antisocial, dorky boy seeks fun-loving, sexy vampire for blood-sucking and transforming into her minion. One sleepless night, Ko slips out to walk the streets. Life after dark is a revelation! Especially when he meets flirtatious Nazuna. Except that she's a vampire. That's okay. He wants to become a creature of the night too. But transformation doesn't come that easily... The tragedy of vampire hunter Anko's past and her former relationship with Nazuna is finally revealed. But old ties don't always lead to new ones? Then, on Halloween, while Ko suffers through a date with Rila, Anko goes on a rampage-and our gang of vampire frenemies isn't her only target!

(W/A) Kotoyama Now that Ko and Nazuna know the identity of the vampire responsible for the deaths of Kyoko's parents, they are on high alert. Is it possible to seek justice- or to at least prevent her from wreaking another path of destruction? The answers will test Ko's human friendships as well as his own humanity? For older teen audiences.

(W/A/CA) Kotoyama Our human friends are attacked by a mysterious male vampire. Luckily-or unluckily, depending on your point of view-Ko's half-vampire mode is growing ever more powerful. Who turned the attacker, and what is he after? No sooner are these questions answered than new ones arise as a secondattacker arrives on the scene-and she's targeting both humans and vampires! For older teen audiences.

(W/A/CA) Kotoyama Ko's powers increase formidably and dangerously. Nazuna learns a new vampire rule about love that could be her undoing. To make matters worse, an enemy discovers the object capable of destroying her! Meanwhile, while Azami and Susuki continue to pursue heartless vampire Kiku, Kiku meets...Mahiru's mom? For older teen audiences.

(W/A) Kotoyama Vampire Haruka turns out to be a menace when he attacks one of Ko's classmates and asks Nazuna on a date. Which will tick off Ko more? Meanwhile, Mahiru and Kiku prepare for the ultimate test of their love. Is it really possible for vampires to turn human again? Plus, school trip group bathing!

(W/A) Kotoyama While Ko does his best to repair his friendship with Mahiru, Mahiru comes to a momentous decision regarding his romantic relationship with vampire Kiku. But first he opens his heart to Nazuna about his troubled family. And then Ko and Kyoko confront Kiku...

(W/A) Kotoyama Ko's school trip is full of surprises as he forges connections with old and new friends. Kyoko pursues a lead regarding the truth about her father. And Mahiru and Kiku take the final steps in their relationship as human and vampire...leaving Ko with a lot to process.

(W/A) Kotoyama Now that half-vampire Ko has destroyed her entire building, Nazuna must find a new home fit for a vampire. Meanwhile, Ko begins attending school in the daytime again, forcing him to deal with...well, people! Then, will Nazuna's developing feelings threaten the object of her affection?

(W/A) Kotoyama Nazuna gets jealous when Ko starts spending most of his time at school and with his human friends. Is he secretly dating someone? At the same time, Ko notices that Nazuna hasn't been sucking his blood. Is she sourcing her meals elsewhere? One thing's for sure-it's time they both face their true feelings for each other and deal with the consequences!