Military!

"Military!" (also known as "Miritari!") is a comedy, slice-of-life anime series that aired in 2015. The series is based on the manga of the same name by Mamo Williams. The story centers around Sohei Yano, an ordinary high school boy, and Lt. Lutgalnikov, a beautiful military officer from the Principality of Krakozhia. In an effort to protect Sohei from their enemy nation, the Krakozhian army dispatches Lt. Lutgalnikov and her subordinates, Lt. Haruka and Sgt. Shachirov, to live with him. Their presence leads to a variety of comedic situations, as Sohei's normal everyday life is disrupted by military operations, warfare tactics, and the eccentricities of Lt. Lutgalnikov and her subordinates.