Koo

1 A grave mistake 

2 The mistake born 

3 Dirty 

4 Permission to get admitted 

5 First day at school 

6 Anger issues 

7 Sugar baby 

8 Giving pleasure 

9 Not weak but silent 

10 Student council president 

11 Play with 

12 Hit on 

13 Fiance of Min 

14 Be yourself 

15 Cousin 

16 Over protective 

17 My Hyung 

18 Righteous heir 

19 Blushing like girl 

20 Warning 

21 First kiss. 

22 Being tortured.. 

23 Play with fire 

24 My property 

25 Koo 

26 Phobias 

27 Monster. 

28 Leaving the country 

29 Suspicious 

30 The Asian friend.. 

31 Fiancee 

32 Business meeting 

33 Bully being bullied 

34 Bond of Brothers/Has changed 

35 An Asian girl.. 

36 Girlfriend 

37 Ends of friendship 

38 The truth 

39 The intentions 

40 APPA 

41 Leaving the country 

42 Goodbye/ Move in. 

43 Choosing the major 

44 Missing each other 

45 The deal 

46 The new begining. 

47 The Warmness 

48 Friends.. 

49 Break up 

50 Good at hiding 

51 Taste like Strawberry 

52 Jeon couple's Scheming 

53 Old friend.. 

54 Unrequited love.. 

55 Breaking the promise 

56 Academic program 

57 Give himself to her 

58 The long night.. 

59 Little sweetness 

60 No boys are allowed.. 

61 Perfect plan.. 

62 Selecting CEO 

63 Xx factory 

64 Condolences to.. 

65 Police station 

66 No more hide and seek 

67 A Modern ghost 

68 Cruel monster 

69 Claiming as his.. 

70 Deal.. 

71 Ex-girlfriend 

72 Deal with Heart and love 

73 The perfect Family they dreamt 

74 ......... 