Moe maid: Misei jukuna gohōshi (2006)

Kozue, who loves Lolita fashion, and Reina, a former delinquent, are inexplicably best friends. One day, while strolling around together, they are approached by a suspicious man who offers them a part-time job at a delivery escort service called "Maid Delivery." Kozue, on the verge of bankruptcy due to her credit card debt, reluctantly persuades Reina to take the job...