Bottomless Swamp

When a teenage boy is abducted and knocked unconscious, he wakes to find himself chained up in a strange place. He sees a beautiful boy embracing a naked man and fears he's been kidnapped to be assaulted by a pervert, but his captor's true nature is shown when he grins, revealing a pair of fangs! [Original Webtoon](https://comic.naver.com/challenge/list.nhn?titleId=702819&no=1) This series was discontinued once it became [officially published by Bookcube](https://www.mangaupdates.com/series/ciksk43/vampire-heart).