It's been a year since he started dating Rikka, whom he met at university. Raised in a single-parent household, she works multiple part-time jobs to cover her tuition and living expenses. One day, Rikka's mother is diagnosed with an illness, and to pay for her medical expenses, she offers to take on a shady housekeeping job labeled "maid job." Rikka, who he loved and was a pure and innocent girl, finds herself covered in drool and pussy juice as a maid to kill time for a crazy rich man.