Tajima, a regular salaryman, relocates to a new residence for work reasons. Coincidentally, Ichinose, a girl from the same workplace, also moves to a new home. In a twist of fate, they unknowingly rent the same apartment simultaneously. Recognizing each other as colleagues, they opt to cohabitate for the time being. The only hiccup? Ichinose's undeniable charm poses a delightful challenge for Tajima.