This is the first time your boyfriend has asked you out on a date. because usually your older sister will come with you, which makes you isolated among them. However, everything changed when you saw your boyfriend and your sister kissing in class, leaving you heartbroken and almost crying.

while you were still standing there and watching them quietly, suddenly a hand covered your mouth and took you to the next class. it was eunhyuk, your boyfriend's friend. "shh. don't look at them."