A Story About Becoming Cooler Than the Cool Girl

When they were kids, Ibuki, a talented tomboy, and Tomoaki, a shorter boy, met at a dodgeball game. Tomoaki came up with the idea and made a promise to Ibuki after a group of boys teased her and made her feel insecure: When we get older, I'll get taller and be way cooler! And then your coolness won't bother anyone anymore, so just keep being you!" They became friends over time, but little else has changed. Will he be able to fulfill his promises? Or is there something else Ibuki wants to accomplish?