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Takanashi Nao, a High School junior, finds herself in a quandary when she develops feelings for her handsome older brother, Shuusuke. However, her world turns upside down as she discovers that she is not related to him by blood - she was adopted as a child. Unfortunately, her brother does not reciprocate her emotions. To her dismay, Nao has to compete with Shuusuke's childhood friend, Iroha, and the class president, Mayuka, for his heart. As she battles for love, Nao realizes that there are no rules to follow when it comes to matters of the heart.
Type
Manga
Genre
Published
October 15, 2024
Updated
July 14, 2025
Onii-chan no Koto Nanka Zenzen Suki ja Nai n da Kara ne!! Episodes
Chapter 85
October 15, 2024
Chapter 84
October 15, 2024
Chapter 83
October 15, 2024
Chapter 82
October 15, 2024
Chapter 81
October 15, 2024
Chapter 80
October 15, 2024
Chapter 79
October 15, 2024
Chapter 78
October 15, 2024
Chapter 77
October 15, 2024
Chapter 76
October 15, 2024
Chapter 75
October 15, 2024
Chapter 74
October 15, 2024
Chapter 73
October 16, 2024
Chapter 72
October 15, 2024
Chapter 71
October 15, 2024
Chapter 70
October 15, 2024
Chapter 69
October 15, 2024
Chapter 68
October 15, 2024
Chapter 67
October 15, 2024
Chapter 66
October 15, 2024
Chapter 65
October 15, 2024
Chapter 64
October 15, 2024
Chapter 63
October 15, 2024
Chapter 62
October 15, 2024
Chapter 61
October 15, 2024
Chapter 60
October 15, 2024
Chapter 59
October 15, 2024
Chapter 58
October 15, 2024
Chapter 57
October 15, 2024
Chapter 56
October 15, 2024
Chapter 55
October 15, 2024
Chapter 54
October 15, 2024
Chapter 53
October 15, 2024
Chapter 52
October 15, 2024
Chapter 51
October 16, 2024
Chapter 50
October 15, 2024
Chapter 49
October 15, 2024
Chapter 48
October 15, 2024
Chapter 47
October 15, 2024
Chapter 46
October 15, 2024
Chapter 45
October 15, 2024
Chapter 44
October 15, 2024
Chapter 43
October 15, 2024
Chapter 42
October 15, 2024
Chapter 41
October 15, 2024
Chapter 40
October 15, 2024
Chapter 39
October 15, 2024
Chapter 38
October 15, 2024
Chapter 37
October 15, 2024
Chapter 36
October 15, 2024
Chapter 35
October 15, 2024
Chapter 34
October 15, 2024
Chapter 33
October 15, 2024
Chapter 32
October 15, 2024
Chapter 31
October 15, 2024
Chapter 30
October 15, 2024
Chapter 29
October 15, 2024
Chapter 28
October 15, 2024
Chapter 27
October 15, 2024
Chapter 26
October 15, 2024
Chapter 25
October 15, 2024
Chapter 24
October 15, 2024
Chapter 23
October 15, 2024
Chapter 22
October 15, 2024
Chapter 21
October 15, 2024
Chapter 20
October 15, 2024
Chapter 19
October 15, 2024
Chapter 18
October 15, 2024
Chapter 17
October 15, 2024
Chapter 16
October 15, 2024
Chapter 15
October 15, 2024
Chapter 14
October 15, 2024
Chapter 13
October 15, 2024
Chapter 12
October 15, 2024
Chapter 11
October 15, 2024
Chapter 10
October 15, 2024
Chapter 9
October 15, 2024
Chapter 8
October 15, 2024
Chapter 7
October 15, 2024
Chapter 6
October 15, 2024
Chapter 5
October 15, 2024
Chapter 4
October 15, 2024
Chapter 3
October 15, 2024
Chapter 2
October 15, 2024
Chapter 1
October 15, 2024
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