Shy manga volume 1 features story and art by Bukimi Miki.

Earth was on the brink of a third World War when super-powered individuals came forth from each country around the globe, ending the conflict and ushering in a new era of relative peace. Among those heroes, Japan is represented by a timid young girl known as “Shy.” She may spend more time worrying about her own shortcomings than she does battling villains, but she’ll show the world that despite it all she still has the heart of a hero!

Shy manga volume 2 features story and art by Bukimi Miki.

Shy’s shown she can handle the basics of being a hero, but with the boy known as Stigma still at large, that might not be enough. Determined to become stronger, she holds a mock battle against the British hero, Stardust—one of the most famous figures in the hero world, and a merciless opponent. With her status as a hero on the line, can Shy awaken to new powers!?

Shy manga volume 3 features story and art by Bukimi Miki.

Still stinging from their battle with Stigma and Tzveta, Shy and the other heroes must take extraordinary measures to stop the Amarariruku’s rampage. Their investigation eventually brings them to Spirit's home country, Russia—but what awaits them there?