A Cool Girl and a 12cm Promise

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/)*.

86 chapters

• Chapter 73 — Rumors
• Chapter 72 — Suited
• Chapter 71 — Deciding members
• Chapter 70 — Ulterior motives
• Chapter 69 — The beach and wicked thoughts
• Chapter 68 — Love is amazing
• Chapter 67 — Is it because she's in love?
• Chapter 66.5 — GANMA Premium Bonus Chapter: The Cool Mermaid Princess
• Chapter 66 — Don't underestimate your brother!
• Chapter 65 — Oshi
• Chapter 64 — A godly event
• Chapter 63 — The chaotic four
• Chapter 62 — Does she hate him?
• Chapter 61 — I absolutely cannot tell her
• Chapter 60 — My bad
• Chapter 59 — You've gotten so big
• Chapter 58 — I'm not budging
• Chapter 57 — Introductions
• Chapter 56 — To be coddled
• Chapter 55 — Promise Me
• Chapter 54 — As her boyfriend…
• Chapter 53 — Am I worthy of being her boyfriend?
• Chapter 52 — I'm so Lame...
• Chapter 51 — It Hurts
• Chapter 50 — I keep remembering
• Chapter 49 — Ferris Wheel
• Chapter 48.5 — Special Chapter: My Cool Girlfriend
• Chapter 48 — The Meaning of "Love"
• Chapter 47 — A Cool Girl
• Chapter 46 — You Can Do It
• Chapter 45.5 — Volume 5 Bonus Chapter
• Chapter 45 — Holding Hands
• Chapter 44.5 — Ganma Extra
• Chapter 44 — A Date at the Amusement Park
• Chapter 43 — Exthited
• Chapter 42 — I'd prefer if it was just the two of us
• Chapter 41 — Don't go
• Chapter 40 — Trauma
• Chapter 39 — Grumpy
• Chapter 38 — My heart is so noisy…
• Chapter 37.5 — Volume 4 Bonus Chapter
• Chapter 37 — Am I in love with her?
• Chapter 36 — Jealousy
• Chapter 35 — I’ll help you
• Chapter 34 — Tailing
• Chapter 33 — Physical Exam
• Chapter 32 — Please Give Me Some Time
• Chapter 31 — I Don't Understand Love
• Chapter 30 — Reunion and Confession
• Chapter 29.5 — Volume 3 Extra
• Chapter 29 — Skipping Class
• Chapter 28 — The Transfer Student
• Chapter 27 — A New Class
• Chapter 26 — My Girlfriend.
• Chapter 25 — What If...
• Chapter 24 — The meaning behind that heat
• Chapter 23 — Hold My Hand
• Chapter 22 — I wanted to hang out
• Chapter 21.5 — Special: The Tachibana Ibuki Fanclub
• Chapter 21 — Irreplaceable
• Chapter 20.7 — Guest Chapter by Fuminosuke
• Chapter 20.6
• Chapter 20.5 — Volume 2 Extras
• Chapter 20 — Hero
• Chapter 19 — I have worries
• Chapter 18 — Fortunes
• Chapter 17.5 — First earrings
• Chapter 17 — Earrings
• Chapter 16 — Wait for me
• Chapter 15 — At least a little
• Chapter 14 — What is Ibuki?
• Chapter 13 — Show them to me
• Chapter 12.5 — An excerpt from the sleepover
• Chapter 12 — Sleepover
• Chapter 11.5 — Volume 1 Extras
• Chapter 11 — Weakness
• Chapter 10 — Cafe Ghost
• Chapter 9 — Such an idiot
• Chapter 8 — A Capable Man
• Chapter 7 — Photo Booth
• Chapter 6 — Means of hiding
• Chapter 5 — Reason for applying
• Chapter 4 — Ahhn
• Chapter 3 — Set in stone?
• Chapter 2 — A ways to go
• Chapter 1 — The Promise