Kakkoi Onnanoko to 12 cm no Yakusoku

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21st century androgynous female lead beautiful female lead childhood friends childhood promise cool female lead high school student female lead high school student male lead high school students japan masculine female lead popular female lead reverse trap short male lead short-haired female lead tall female lead time skip in first chapter/prologue
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"A childhood friend, once boyish, transforms into a stunningly beautiful girl! The serialized story of a Tomboy and Boy romance."

Associated Names

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12cm Promise With a Cool Girl
A Cool Girl and a 12cm Promise
Kakkoii Onnanoko to 12-centi no Yakusoku
Promise of 12cm With Cool Girl
カッコいい女の子と12センチの約束

Official Webtoon

    N/A

Groups Scanlating

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  1. left field scans
  2. whats typesetting?
  3. elpsykongroo

Latest Release

Rating(3.3 / 5.0, 11 votes)
5 stars
2(18%)
4 stars
4(36%)
3 stars
0(0%)
2 stars
5(45%)
1 stars
0(0%)
Popular Reviews All reviews
  1. Uskalski_Yuchiha
    Uskalski_Yuchiha rated it
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    i like this ending...
    0 0 Reply
  1. AellaNova
    AellaNova rated it
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    turns out that tatsumi gets hard over seeing his boyfriend's dick
    0 0 Reply
  1. I_comitted_arson
    I_comitted_arson rated it
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    Holy peak
    0 0 Reply
  1. EuniceObi6766
    EuniceObi6766 rated it
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    what in the blue lock shit is this chapter
    0 0 Reply
  1. Luohuo
    Luohuo rated it
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    Ugh, my heart. ;_;
    0 0 Reply
  1. lordaurelian
    lordaurelian rated it
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    Wow she is obnoxious, snipe her ass in the head
    0 0 Reply
  1. Kaishepard28
    Kaishepard28 rated it
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    ngl she looks better in this look
    0 0 Reply
  1. Rsp
    Rsp rated it
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    L
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