Kabe Don!

Kaishin Ohno is a quiet, unassuming student who went unnoticed in middle school, earning the nickname "Stealth." On the first day of high school, he unexpectedly encounters Toki Natsume, a talented bouldering prodigy. Toki, who has always pushed through challenges without backing down, inspires Kaishin to confront obstacles he has long avoided. Their meeting sets Kaishin on a path where he must face a significant challenge that could transform his life.