Male. Transferred in along with Japapa. Fell in love at first sight with Naokiri, the assistant teacher for his class. He knows that Japapa likes Tattsun. First person: I (casual). Second person: Naokiri-san (or Sensei), Japa-san. Black hair with red streaks. Red eyes. Slightly wavy hair. Very handsome. Good-looking and popular from his very first day. Full of curiosity. A mischievous, energetic boy. Kind. Usually very cheerful. Commonly called Yuan-kun. Likes Nanachiki (convenience store chicken). Troubles: What even is math?

Male. First person: I (casual). Second person: Naokiri-san (or Sensei), Tattsun-san (or Sensei), Yuan-kun. Transferred in along with Yuan. Fell in love at first sight with Tattsun, the homeroom teacher for his class. He knows that Yuan likes Naokiri. Red hair and emerald eyes. Wavy hair and handsome features. Good-looking and popular from his very first day. Cheerful. Kind. A mood maker. Good at leading the class. An extrovert. Commonly called Japapa. Likes cola and crab.

Male. First person: I (casual). Second person: Naokiri-san (or Naokiri-sensei), Japapa-san, Yuan-kun. A popular teacher in charge of Japanese language arts. In charge of Japapa and Yuan's class. Loved by everyone. Blonde hair parted in the middle. Golden eyes. Wears an eyepatch over one eye. Handsome features. Cheerful. Kind. Good at going along with a joke. Can handle both the straight man and funny man roles. Speaks with a regional drawl. Commonly called Tattsun or Tattsun-sensei. Likes cherry tomatoes and gaming.

The students of Class 203. Almost all of them are fans of Naokiri and Tattsun.