R E L A T I O N S H I P S

This contains spoilers. Please do not read if you do not wished to be spoiled.

Eun Chan <-like each other-> Han Kyul
Eun Chan -liked-> Han Sung
Han Sung -likes-> Eun Chan
Han Sung -liked-> Yoo Joo
Yoo Joo -likes-> Han Sung
Yoo Joo -liked-> DK
DK -likes-> Yoo Joo
Min Yeop -likes-> Eun Sae
Eun Sae -likes(d)-> Sun Ki