Best Friend

1 Sederhana 

2 Destiny 

3 Be My Girl 

4 Bad Boy 

5 First Day 

6 I Found You 

7 Okay 

8 White Lies 

9 First Dating 

10 Everything's Gonna Be Okay 

11 The Biggest Fear 

12 Where Are You 

13 Don't Let Anyone Hurt You 

14 Promise 

15 I'm Here With You 

16 You're My Happy 

17 Best Friend 

18 The Past Cannot Be Changed. But I Forgive You Dad 

19 Be Realistic ... It's Not A Drama 

20 Commotion In The Morning 

21 Shopping Time 

22 You Make Me Fall In Love Over Again 

23 Retreat 

24 If You Can Dream It You Can Do It 

25 Don't Worry Village 

26 Harvest 

27 Jealous 

28 One Day With You 

29 First Kiss 

30 Another Man 

31 Forgive Me 

32 The Most Beautiful Girl 

33 I Cannot Imagine A Day Without You 

34 I'm Only Focused Of One Person 

35 Smile For No Reason 

36 I Choose You 

37 Because Of You 

38 Please Stop It 

39 Girls Day 

40 Hide And Seek 

41 I Fall Into You, Again! 

42 I'm A Teenager 

43 Don't Let Your Past Steal Your Present 

44 Revenge 

45 A Big Liar 

46 The Past 

47 You Survived! 

48 I Remember You 

49 Lunch Box 

50 I Will Protect You Till The End 

51 We Never Really Grow Up 

52 Chan Young's Birthday 

53 Chan Young's Birthday 2 

54 Broken Heart 

55 Teenage Dream 

56 Unexpected Meeting Someone 

57 Trauma Always Leave A Scar 

58 Jealousy Is A Disease 

59 Me? Jealous? HAHAHAHA. Yes! 

60 I Have A Dream 

61 A Plan 

62 When We Don't Know Who To Hate, We Hate Ourselves. 

63 Sooner Or Later 

64 I'm Gonna Hurt You 

65 Slowly Darl, I Know Your Weakness! 

66 The Beginning of Revenge 

67 Se's Mine, Touch Her And I Will Kill You 

68 Private Room 

69 How To Be A Good Boyfriend? 

70 Namsan Tower 

71 Home Sweet Home 

72 School Life 

73 D-7 Before Exam 

74 Romantic Library 

75 Father's Power 

76 Nothing Can Pull You Down 

77 Rumour Has It 

78 Rumor Grows As It Goes 

79 I Like Rumors 

80 Leave Me Alone 

81 Delivery Order Of Love 

82 Someone Who Believe In Me. Mom. 

83 Mother's Love 

84 I Know You Love Me 

85 D DAY 