While Himuro is the ice-prone descendant of a snow spirit living in modern times and his coworker Fuyutsuki's poker face always makes her seem cool and aloof, both of them secretly wrestle with feelings they aren't sure how to handle-for each other! When Himuro invites Fuyutsuki over to his house for the first time, they watch a horror film that just so happens to star his younger sister, Yukimi. The combination of having his crush in his house and the suspense of the horror movie is a recipe for a heart-pounding evening!