After missing out on love because she was too shy to confess her feelings, high school student Satomi blurts out how she feels the next time she gets a crush—and it’s to her impossibly handsome schoolmate Yagyu! To her surprise, he agrees to date her. Now that Satomi’s suddenly in a relationship, what next? It’s winter, the season for lovebirds, and Yagyu and Satomi’s Christmas date is approaching. It’s to be a night of many firsts!