Ongoing Manga · EN
Kakkoii Onnanoko to 12-centi no Yakusoku
Also known as Kakkoii Onnanoko to 12-centi no Yakusoku
Tomoaki Kanba admired his boyish childhood friend, Ibuki Tachibana, and promised to become "more cool" than her. However, four years have passed, and Ibuki has grown up to be an even more handsome girl! Their relationship is as unchanged as a 12cm height difference that cannot be filled...? The curtain rises on a pure love story about a cool girl who is sorely in love with a boy who wants to be cool!- --- Serialization of the Twitter webcomic *[A Story About Becoming Cooler Than the Cool Girl](https://mangadex.org/title/d0407445-b80d-4854-9f12-c8227f94cba6/)*.
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CH.70Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 70Ulterior motives · Sep 17, 2026 · 6 min0viewsCH.69Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 69The beach and wicked thoughts · Sep 17, 2026 · 6 min0viewsCH.68Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 68Love is amazing · Sep 17, 2026 · 6 min0viewsCH.67Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 67Is it because she's in love? · Sep 17, 2026 · 6 min0viewsCH.66.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 66.5GANMA Premium Bonus Chapter: The Cool Mermaid Princess · Sep 17, 2026 · 3 min0viewsCH.66Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 66Don't underestimate your brother! · Sep 17, 2026 · 6 min0viewsCH.65Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 65Oshi · Sep 17, 2026 · 7 min0viewsCH.64Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 64A godly event · Sep 17, 2026 · 8 min0viewsCH.63Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 63The chaotic four · Sep 17, 2026 · 5 min0viewsCH.62Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 62Does she hate him? · Sep 17, 2026 · 7 min0viewsCH.61Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 61I absolutely cannot tell her · Sep 17, 2026 · 7 min0viewsCH.60Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 60My bad · Sep 17, 2026 · 8 min0viewsCH.59Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 59You've gotten so big · Sep 17, 2026 · 8 min0viewsCH.58Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 58I'm not budging · Sep 17, 2026 · 6 min0viewsCH.57Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 57Introductions · Sep 17, 2026 · 6 min0viewsCH.56Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 56To be coddled · Sep 17, 2026 · 7 min0viewsCH.55Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 55Promise Me · Sep 17, 2026 · 7 min0viewsCH.54Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 54As her boyfriend… · Sep 17, 2026 · 7 min0viewsCH.53Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 53Am I worthy of being her boyfriend? · Sep 17, 2026 · 6 min0viewsCH.52Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 52I'm so Lame... · Sep 17, 2026 · 6 min0viewsCH.51Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 51It Hurts · Sep 17, 2026 · 9 min0viewsCH.50Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 50I keep remembering · Sep 17, 2026 · 6 min0viewsCH.49Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 49Ferris Wheel · Sep 17, 2026 · 10 min0viewsCH.48.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 48.5Special Chapter: My Cool Girlfriend · Sep 17, 2026 · 5 min0viewsCH.48Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 48The Meaning of "Love" · Sep 17, 2026 · 11 min0viewsCH.47Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 47A Cool Girl · Sep 17, 2026 · 10 min0viewsCH.46Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 46You Can Do It · Sep 17, 2026 · 10 min0viewsCH.45.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 45.5Volume 5 Bonus Chapter · Sep 17, 2026 · 3 min0viewsCH.45Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 45Holding Hands · Sep 17, 2026 · 8 min0viewsCH.44.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 44.5Ganma Extra · Sep 17, 2026 · 3 min0viewsCH.44Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 44A Date at the Amusement Park · Sep 17, 2026 · 7 min0viewsCH.43Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 43Exthited · Sep 17, 2026 · 7 min0viewsCH.42Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 42I'd prefer if it was just the two of us · Sep 17, 2026 · 7 min0viewsCH.41Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 41Don't go · Sep 17, 2026 · 6 min0viewsCH.40Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 40Trauma · Sep 17, 2026 · 10 min0viewsCH.39Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 39Grumpy · Sep 17, 2026 · 7 min0viewsCH.38Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 38My heart is so noisy… · Sep 17, 2026 · 7 min0viewsCH.37.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 37.5Volume 4 Bonus Chapter · Sep 17, 2026 · 2 min0viewsCH.37Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 37Am I in love with her? · Sep 17, 2026 · 6 min0viewsCH.36Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 36Jealousy · Sep 17, 2026 · 7 min0viewsCH.35Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 35I’ll help you · Sep 17, 2026 · 7 min0viewsCH.34Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 34Tailing · Sep 17, 2026 · 9 min0viewsCH.33Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 33Physical Exam · Sep 17, 2026 · 7 min0viewsCH.32Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 32Please Give Me Some Time · Sep 17, 2026 · 9 min0viewsCH.31Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 31I Don't Understand Love · Sep 17, 2026 · 8 min0viewsCH.30Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 30Reunion and Confession · Sep 17, 2026 · 9 min0viewsCH.29.5Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 29.5Volume 3 Extra · Sep 17, 2026 · 3 min0viewsCH.29Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 29Skipping Class · Sep 17, 2026 · 9 min0viewsCH.28Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 28The Transfer Student · Sep 17, 2026 · 8 min0viewsCH.27Kakkoii Onnanoko to 12-centi no Yakusoku Chapter 27A New Class · Sep 17, 2026 · 5 min0views
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