The main character, Sungwon Joon, is from a rural town located in South Korea [Incheon]. He used to spend most of his time with a neighborhood kid, Leejin Kim [former name Leejin Suk]. After witnessing Sungwon get beaten up almost to death, Leejin vows to protect him forever. After this, Sungwon became a lot more clingy to Leejin. Not too long after Leejin moves away without a word. Sungwon is at a loss, his once bestfriend has abandoned him.