Yearning to emulate his childhood friend Minazuki Natsume, high school sophomore Shiranui Natsume aspires to embody her heroism and unwavering support. Determined to transform into a figure like her—calm, collected, and heroic—he embarks on a journey to become the hero he admires. Join Natsume and Natsume on a tale of aspiration and friendship as he strives to stand by her side as an equal.