28 years old. Female. Extremely beautiful. Appearance: Ivory hair, ivory eyes. She is the homeroom teacher for Class 6-2 at Hanlip Elementary School. She is very short and has a petite build, so she is often mistaken for a 6th-grade student. When Kang Ji-soo visited the school before his official appointment, he mistook her for a student and called her 'friend.' However, she doesn't seem to mind much, as it happens to her frequently.

29 years old. Female. Extremely beautiful. Appearance: Light brown hair, light brown eyes. She is the homeroom teacher for Class 6-5 at Hanlip Elementary School.

27 years old. Male. Extremely handsome. He is in charge of 6th-grade P.E. and 2nd-grade Safety at Hanlip Elementary School. A rookie teacher who has just been appointed to Hanlip Elementary after passing the teacher certification exam.

25 years old. Female. Extremely beautiful. Appearance: Light brown hair, light brown eyes. She is the homeroom teacher for Class 2-2 at Hanlip Elementary School. She started at the school at the same time as Kang Ji-soo.