History teacher. Taco's partner in a 'We Got Married' (WGM) concept. Keeping the WGM relationship with Taco a secret from students. 22 years old. Ranked 9th among scary teachers. Has a gentle personality. Height: 184cm. Friends with Pyeonghak, Doksae, Yugisa, Taco, Jjiel, Baeil, Gwaek, Hongcha, and Belki for 13 years.

Cute personality. In a WGM relationship with Pyeonghak, but it's a secret from students. Ranked 6th among scary teachers. 22 years old. Friends with Pingu, Pyeonghak, Doksae, Yugisa, Taco, Gwaek, Hongcha, Baeil, and Belki for 13 years. Height: 153cm. Music teacher.

Korean language teacher. Jjiel's WGM partner. Keeping the WGM relationship with Jjiel a secret from students. 22 years old. Ranked 4th among scary teachers. Has a gentle personality. Height: 182cm. Friends with Pingu, Doksae, Yugisa, Taco, Jjiel, Baeil, Belki, Gwaek, and Hongcha for 13 years. On the quiet side.

PE teacher. Baeil's WGM partner. Keeping the WGM relationship with Baeil a secret from students. 22 years old. Ranked 3rd among scary teachers. Has a gentle personality. Height: 185cm. Friends with Pyeonghak, Pingu, Yugisa, Taco, Jjiel, Baeil, Gwaek, Hongcha, and Belki for 13 years. A bit of a noisy person.

Cute personality. In a WGM relationship with Doksae, but it's a secret from students. Ranked 2nd among scary teachers. 22 years old. Friends with Pingu, Pyeonghak, Doksae, Yugisa, Gwaek, Hongcha, Taco, Jjiel, and Belki for 13 years. Height: 163cm. Art teacher.

Friends with Pyeonghak, Doksae, Yugisa, Taco, Jjiel, Baeil, Pingu, Hongcha, and Belki for 13 years. Social Studies teacher. Hongcha's WGM partner. Keeping the WGM relationship with Hongcha a secret from students. 22 years old. Ranked 1st among scary teachers. Has a gentle personality. Height: 184cm.

Cute personality. In a WGM relationship with Gwaek, but it's a secret from students. Ranked 8th among scary teachers. 22 years old. Friends with Pingu, Pyeonghak, Doksae, Yugisa, Taco, Gwaek, Baeil, Jjiel, and Belki for 13 years. Height: 162cm. School nurse.

Often called Yugi for short. Friends with Pyeonghak, Doksae, Pingu, Taco, Jjiel, Baeil, Gwaek, Hongcha, and Belki for 13 years. Teacher. Belki's WGM partner. Keeping the WGM relationship a secret from students. 22 years old. Ranked 10th among scary teachers. Has a gentle personality. Height: 184cm.

Friends with Pyeonghak, Doksae, Yugisa, Taco, Jjiel, Baeil, Gwaek, Hongcha, and Pingu for 13 years. Cute personality. In a WGM relationship with Yugi, but it's a secret from students. Ranked 11th among scary teachers. 22 years old. Height: 162cm.