Hotaru Hinase has lived nearly sixteen years without a romantic relationship, content with her life surrounded by close friends and family. She never really understood the concept of love and didn't think she'd ever experience it. However, things change when Hotaru witnesses her schoolmate Hananoi's painful breakup, and then unexpectedly finds herself helping him in the snow. This gesture leads to unexpected outcomes as Hananoi starts to confess his feelings for her, despite her initial rejection.