Lies and Secrets

Part 1 (For the Sake of Love):
Serim and Chaewoo are dating, but Serim doesn't love Chaewoo though she loves him. Serim grows cold toward Chaewoo and doesn't say the truth at all. Serim had been developing feelings for Hyeongjun. Hyeongjun has secret feelings for Serim since they started university. Will Serim be able to confess to Hyeongjun? Will Chaewoo realise what is unfolding between the guys?

Part 2 (Rivalry of Best Friends):
Allen has been crushing on Sooyun ever since she came back to his care, to find out his best friends, Jungmo, also has his eyes on her. Sooyun had soon become aware of their competition and plays hard to get. What will come of this trio? What will Sooyun's decision be?

Part 3 (Forget Me):
Minhee and Eunhee developed feelings for each other by 2nd semester and started dating. Minhee's father forbids dating, because Minhee has an arranged marriage after he graduates. Eunhee is unaware and Minhee tries his best to get her to forget him in the craziest ways. How will it turn out?

Part 4 (There is a Different Way!):
Woobin is insecure of his appearance and has been trying major diets to lose his weight. Wonjin notices and tries to stop his actions. Their conversations of stopping the diets eventually to something where there may be something going on between the two friends. How will Woobin change in the semester, and will he give into Wonjin?

Part 5 (Bodyguard with Benefits):
Taeyoung has been consistent with obvious actions with his crush, Seongmin, since high school, yet Seongmin doesn't feel anything towards him back. This semester, Taeyoung took it to the next level, after realising Seongmin didn't care about the things he did for him. He started to act like a bodyguard with benefits. Seongmin takes it to his advantage, yet feels an adrenaline go through him every time he sees Taeyoung. Could he take this to the level that is Taeyoung's expectation? Will he keep his feelings to himself?