Manga by author Billy Balibally - Status ongoing

.Attacked by vampires at a club, nineteen-year-old En survives after being bitten and turning into a vampire himself. He is then found by Ichii, a vampire from the organization 'FANGS' who becomes his guardian. To satisfy the vampires' urge to suck blood, the organization encourages a 'pairing system' where two vampires agree to support one another. At his first pairing party, En attracts a lot of vampires due to his status as a 'virgin', and thus declares in a panic that he will become Ichii's pair...?!

From Fujoshi Bitches:The taciturn half-Russian, Mitya, can only lower his guard with the mysterious and lusty but loyal Asahiko. Isolated from those around them, they fall instantly in love when they meet. However, while mutually doting on one another, their inability to open up to one another causes mutual emotional wounds. In the midst of all this, Asahiko's old boyfriend shows upA dangerous and codependent love.

Set in the far-far north, where wolves rule, the head of the valley, Garm, follows the tradition of the lake chief, Hati, and becomes his guardian. Garm is frank and tough, and Hati is serious and pure.They respect each other's pride as chiefs and males, but at first they are somewhat at odds with each other. However, as they come into contact with each other's way of life, their deepening bond makes them the one and only pair...