Kotoha, a second-year high school student who gives her all to part-time work, studying, and fashion, returns to her boarding house one day to find a new temporary landlord — a university student named Itsuki!? With top-notch cleaning, cooking, and attentiveness, Itsuki seems like the perfect landlord. But his flawless specs and overly caring attitude leave Kotoha both flustered and confused! Thus begins a gentle battle of wits between a self-reliant honor student gal JK and a naturally charming, high-spec landlord──♡