12cm Promise with a Cool Girl

In elementary school, Tomoaki Kanba meets Ibuki Tachibana, a tall, boyish girl, and promises to become taller and “cooler” than her as they both enter their growth spurts. Four years later, Ibuki has grown into an even more handsome young girl! Now attending the same high school, they remain close friends, but Tomoaki and Ibuki are still 12cm apart, both height and in their relationship. Will this gap ever close, or will it keep them apart? A heartwarming romance about two students falling for each other while embracing their true selves.