They called themselves the "Valkyrie" coming through a portal hidden in the walls looking like fatal warriors and dragging me into their world saying I was their "Healer"  

God didn't promise days without pain, laughter without sorrow or sunshine without rain, but he did promise Strength, Strength I found in US  

dongmyeong goes home with his brother for a vacation, leaving his six months roommate at home by himself for two weeks. keonhee, dongmyeong's roommate, and dongmyeong are not best friends but they're close enough to occasionally hug and cuddle while watching a movie. once dongmyeong returns from his vacation, he's tackled by keonhee and dongmyeong didn't realize they were that close and now dongmyeong feels all warm and fuzzy and maybe he wants to kiss keonhee and hold his hand. 

A girl who's a vampire and a boy who's a human    One fell dead and one up alive    Girl and Boy