The Saga of Tanya the Evil manga volume 10 features story by Carlo Zen and art by Chika Tojo and Shinobu Shinotsuki.

While the 203 Aerial Mage Battalion is conducting a top secret mission out at sea, they encounter what appears to be a Commonwealth submarine. Hoping that this might finally be her ticket to a wonderfully safe and productive life in the rear, Tanya charges in! Sadly, reality is never that kind...