Yusuke Saeki (played by Masakazu Tamura), a widowed manga artist living alone in a Tokyo apartment. His cousin, Kizaburo Akutagawa, invites him to cohabit in a luxurious Denenchofu mansion where Kizaburo is housesitting. The episode sets up the comedic and romantic premise as Yusuke meets Yuki Yashima, a wealthy heiress working as a housekeeper, sparking the beginning of their love story amidst various humorous disturbances in the mansion.