Hotaru has never really understood love. She loves her friends and family, but romance? That's an entirely different story. So what's a girl to do when someone she's just met immediately asks her out?
Hotaru and Hananoi-kun have agreed to start dating on a trial basis so Hotaru can figure out how she feels. But with the Christmas deadline quickly creeping up, will the whole experiment blow over without any real results, or...?