Unsociable girl vs. shady boy + doppelganger-san! Yamamoto and Hattori. The two can't start a romantic comedy on their own, but... Hattori's doppelganger, "Doppel-san," will tell him what she's really thinking! Is Doppel-san the cupid of love? Or is she just a figment of his imagination?

A gloomy boy suddenly getting close with the popular track and field club ace?! A short comedy about invading someone else's spot to skip class is about to begin!!