28 years old Male - Music Teacher - Homeroom teacher for Class 3-1 - Kind and broad-minded personality - Strong leadership and very playful - Usually dresses neatly, but popular with students because he occasionally joins the PE teacher for sports - Always found in the 3rd-grade staff room

27 years old Male - History Teacher - Homeroom teacher for Class 2-4 - Playful and cool - Despite being a history teacher, he hates boredom; his frequent jokes make him naturally popular with students - Takes good care of people but is bad at expressing it - Often sly and mischievous - Loves physical activity, so he often asks the PE teacher to hang out when he has no classes - Occasionally missing from the 2nd-grade staff room

26 years old Male - Art Teacher - Homeroom teacher for Class 3-5 - Affectionate and easily moved - Playful and lives without much worry, making him quite clumsy - Popular with students for the ditzy side he shows during class - Smiles a lot and is good at flirting with his eyes - Always found in the 3rd-grade staff room

26 years old Male - Korean Language Teacher - Homeroom teacher for Class 1-2 - Affectionate and loves being praised - Popular with students for his innocent appearance - Cheerful and cool, but bad at playing hard to get - Not often seen in the 1st-grade staff room, but shows up occasionally

26 years old Male - English Teacher - Homeroom teacher for Class 3-6 - Seems quiet but is very playful - Gets bewildered more often than expected - Easily moved and very touchy-feely - Popular with students thanks to his occasional chic side - Often seen in the 3rd-grade staff room, but missing at times

26 years old Male - Science Teacher - Homeroom teacher for Class 2-8 - Quiet but persistent - Sometimes follows people around like a puppy - Has occasional flashes of madness - More playful and sly than he looks - Popular with students for his puppy-like charms - Rarely seen in the 2nd-grade staff room; usually found in the science lab