New maid

Zenitsu is a new maid but not just a maid a personal maid of prince

Tanjiro is a prince he's kind person but he don't want to have a personal maid (all his personal maid is a girl) because all of them flirting at him and he don't like it

Nezuko is a princess she is Inlove with his personal guard name muichiro but muichiro didn't know that nezuko like him

Kanao is Nezuko personal maid she is Inlove of Tanjiro personal guard name genya but genya didn't know to (such a blind person huhuhu)

Muichiro is a personal guard he didn't forgot anything he is same age as nezuko (17 don't ask me) he likes nezuko but so shy to tell it

Genya is Tanjiro personal guard