Due to family troubles, Ren Uesugi and his sister, Mihato, leave their home. They end up moving to the city but find themselves with a lack of money. Somehow they are able to find work in the form of the Kuonji family's mansion, being employed as servants to the three sisters of the Kuonji family: Shinra, Miyu, and Yume. Being a servant also associates Ren with the mansion's additional servants and the Kuonji sisters' friends.

Alternative title:

• Kimiaru (Japanese)
• Kimi ga Aruji de Shitsuji ga Ore de
• You are the Master, the Servant is M

• 1. You Are My Mistress, And I'm The Butler
• 2. Kuonji Days
• 3. Shinra Universe
• 4. Kuonji Family Goes To The South
• 5. Elegance
• 6. The Yume Revamping Plan
• 7. Kuonji Household Annihilation!? The Visitor was Ageha-sama!
• 8. Showdown! Uesugi vs Takeda
• 9. A Litlle Hero
• 10. Sudden Change! Relying on Natose Now
• 11. All Aboard for the Flower Festivities!
• 12. A Lone Mud-Stained Bulter
• 13. Family