Takanashi Misha is a second grade elementary school girl whose father is Japanese and mother was Russian. After she lost her mother at an early age, she has lived alone with her father. One day, a new maid named Kamoi Tsubame comes to their house to serve as their maid. She was a former master sergeant of Japan Air Self-Defense Force, and her biggest problem is that she is a lolicon who is deeply attracted to Misha.