Shy manga volume 4 features story and art by Bukimi Miki.

While battling the Amarariruku in Russia, the sadness-laden memories of Pepesha’s mother leak out and overwhelm Spirit, deactivating her heart-shift. Now it's all up to Shy to save not just her friend and the orphanage she holds so dear, but the cold heart of Tzveta as well…!

Shy manga volume 5 features story and art by Bukimi Miki.

After fending off Keheheh and Tzveta in Russia, Shy returns to Japan, where she encounters the mysterious Ai Tennoji—a runaway Kansai girl with an unexpected background! However, Teru hardly has any time to fret over making a new friend when Amarariruku strikes again in a daring attack! With the full attention of the hero community focused on Japan, can Shy stand up to the pressure…?!

Shy manga volume 6 features story and art by Bukimi Miki.

To reclaim Tokyo from the influence of evil syndicate Amarariruku, Shy leads her team of heroes into the black sphere at the metropolis’s heart. Once inside, they discover that its citizens have been transformed into…zombies?! In the hopes of returning them to normal, Shy sets her sights on the central tower-but the short-tempered Doki, member of Amarariruku, appears to block her way. An all-out battle between the infiltration team and their villainous opponents ensues!!