This is the hit romcom that brings an office worker and a runaway girl into the same home! The gal at Sayu's new part-time job, Asami, is forcing her way into Yoshida's apartment! Even Yoshida is overwhelmed by this pushy gal's lack of restraint. Yoshida is just about ready to run away from home himself!

Yoshida is just your average salaryman, drowning his tears in booze. On his way home one night, he finds a runaway high school girl sitting on the street. She offers to sleep with him in exchange for a place to stay--and Yoshida lets her off the hook and offers her work instead. A rom-com between the most unbalanced couple you'll ever find!

Yoshida was just rejected by his crush of 5 years. On the way home from drowning his sorrows, he runs into a girl crouching in the middle of the road, and she offers him a deal--let her crash at his place and he can do whatever he wants with her. When he refuses, she asks to stay for free. This is the story of Yoshida, a 26-year-old office worker, and Sayu, a runaway high school girl, and their unconventional life together.

Sayu’s dismal and lonely high school life suddenly blossoms after she meets her one and only friend, Yuko. But once vicious bullying directed at Yuko begins, the two friends plunge into misery. “I’m sorry, Sayu.”

After meeting with her brother Issa, Sayu learns that she has just one week left. In order to allow herself to look to the future, Sayu steels herself to reveal the events of her past to Yoshida and Asami—an intense past buried in trauma and regrets. “In my second year of high school . . . I was all alone.” Sayu’s past, at last unveiled. The reason she left home. The truth is finally brought into the light!

After spending an unforgettable evening together, Yoshida and Sayu return to their everyday life with renewed determination. As they continue to interact with Kanda and Mishima and the others around them, they are slowly moving forward. But at that very moment, their worst fear is realized: “I’m here to take back Sayu.” The runaway high school girl and the single salaryman. Let your troubles melt away in their heartwarming tale of cohabitation!

Yoshida arrives in the nick of time to save Sayu from Yaguchi. Afterwards, with some aggressive follow-up by Asami, Sayu manages to become just a little bit stronger. Then Asami takes Sayu by the hand, and shows her a very special place!