Lonely, it is what Seunghyun feel. growing up without parents beside him. His father sent him away because his eomma's demand. His real eomma, want him disappear from her sight. But what if a young killer teacher approach him and care about him? and what about Seunghyun father's enemy want make the teacher suffer?

Characters: 

Jung Seunghyun (16 yo)

the only son of a big boss mafia. he is a genius student in his school. His father send him to kwangju when he is still kid because of his mother's demand. never meet his mother again when his father send him. and the last time he met his father, when his age 12 yo.

Han seungyeon (32 yo)

a teacher in seunghyun's school.she has small figure, baby skin and cute face make her look like same like her student. but dont be fooled by her appearance. she is the killer teacher in that school. sometimes seunghyun tought that this teacher liking him.

Jung yunho (37 yo)

seunghyun's father. a big boss mafia and very rich. after send his son, his wife left him alone.eventough he live as big boss mafia, he really care about his son.silently he always check his son conditions. and only can see his son from a far.

Ham Seungjin (13 yo)

a tiger teenager . Looks fragile, but actually very strong. Genius too like seunghyun. a mysterious kid

Lee taesung (39 yo)

Jung yunho's enemy. he was the one who hurting yunho's wife when she's still young for making yunho suffer.