Nagomi Wahira, a young girl, has always loved the adorable women working at maid cafés. Hoping to achieve her ambition of becoming one, she comes to Akihabara to work at the maid café Ton Tokoton. When Nagomi and her colleague recruit, the experienced Ranko Mannen, are required to conduct a "errand" at a competing maid café, their first day appears to be entirely routine. There, things rapidly turn bad, and Nagomi soon experiences the bloody maid battles of Akihabara for the first time. Nagomi discovers that maid cafés are very unlike from what she had imagined as she observes Ranko casually navigate her way through a swarm of maids brandishing guns and knives. Nagomi looks for the satisfaction she craves while attempting to balance her expectations with the harsh reality she finds herself in I once witnessed a maid's life.