A Cool Girl and a 12cm Promise

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

Tomoaki Kanba admires his childhood friend Ibuki Tachibana for her effortless coolness and once made a promise to become even cooler than her. In high school, Ibuki has blossomed into a strikingly tall and incredibly confident young woman who stands a full twelve centimeters taller than him, her stylish presence commanding attention at every turn. Their daily school life remains filled with the familiar comfort of their long-standing friendship, yet the unchanging height difference serves as a constant reminder of how much she has grown. As Tomoaki dedicates himself to fulfilling that childhood vow through dedicated self-improvement, subtle new emotions begin to surface between them. With her calm demeanor and hidden warmth, Ibuki supports him in ways that make their bond feel richer and more meaningful than ever. This delightful story weaves gentle humor and tender moments to capture the joy of growing up together, the pursuit of personal goals, and the flutter of romance hidden within a deep friendship.

A boy chases his promise to surpass his boyish childhood friend in coolness, only to discover she's grown into an even more captivating tall girl. Their 12cm height difference and evolving feelings create a charming high school romance filled with heart and humor.

Follow Tomoaki's promise to become cooler than his childhood friend Ibuki in A Cool Girl and a 12cm Promise. A wholesome high school romance with height differences, friendship, and budding love. Read now!

Romance, Comedy, School Life, Slice of Life, Drama, Youth, Childhood Friends, Coming of Age

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