The Spooky Love Tale of Gongchan Seol
Ookami wa Tantei o Tabetai
Yoru x Reito TW: pseudo incest, they're not related by blood ~Manga Reito's family and Yoru's family were devoured by werewolves, leaving them orphans. With their age difference, Yoru calls Reito his uncle but there are no blood ties between them so when they reunite after a decade, Yoru's desire for Reito is far more adult than it ever was but... Yoru is the very species Reito hates and has dedicated his life to chasing down.
Blood Link
Lee Bin x Hwa Gok Lee Hwa x Ok Seolhyun Hwa Gok accidentally stumbles upon sunbae Lee Bin's secret, that he's a vampire and feeding on one of their classmates. He reacts by attacking Lee Bin and, through bad luck, ends up getting bitten and ingesting vampire blood so he begins to turn. With the two intertwined, it doesn't take long for Lee Bin to realize there is something off about Hwa Gok... he's a lycan. His blood is weak but it's unmistakable and, not only that, he's a rare female lycan (i.e. a male omega) that can go into heat and become pregnant. Lee Hwa, the son of Lee Bin and Hwa Gok, was injured badly as a child and lost his memories. When he's in university, he meets an old friend he had no memories of but there is a shroud of mystery about it. Seolhyun gives off the scent of a female lycan but believes he's a male lycan, which throws Lee Hwa off but he's drawn to Seolhyun regardless.
Big Apple
Juergen Eisler x Joachim Hjerpe Working for the SIA begrudgingly, Joachim is always ready to die in the line of duty and that is the only future he sees for himself. When the most dangerous mission yet comes up, he goes as far as breaking up with his love to avoid hurting him. Juergen doesn't take well to this and keeps Joachim to himself for the week leading up to when Joachim lied and said he was leaving for Sweden. Come mission time, the last thing either man expects is to run into each other working on the same side.
K's secret
Lee Kangwoo x Kim Doyoon Kim Doyun, a half-vampire, can't drink blood so he survives off of human essence he gets through sex. He accidentally sends a message meant for his vampire mentor to his boss about wanting to find a sex friend. When Lee Kangwoo reads this, he calls Doyun to his office and offers to fill that void for him.
Moonlight Howling