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.”
Despite swearing to herself that she would protect her single friend, Sayu learns just how painfully difficult it is to do. Before long, their tale veers in the worst possible direction, the farthest cry away from their beloved golden school days together.

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!

Sayu’s older brother Issa appears at the convenience store where she works, revealing that there’s not much time left. Meanwhile, Yoshida and Sayu go to a local summer festival. In the hustle and bustle of the festival, they share unforgettable memories, and yet…?!

All balance is lost with the sudden appearance of Yoshida’s ex-girlfriend Kanda! Forced to recall the bittersweet memories of his high school days, Yoshida’s heart is considerably shaken. Before long, the effects reach Mishima and Goto, leading to a fierce contest between our heroines!

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!

Goto finally opens up! And Sayu has a laugh with Asami! Seeing those smiles, Yoshida realizes that he never wants these beautiful days to come to an end. But events take a sudden turn for Sayu when a certain man shows up after her part-time job.

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!

The latest hit, the rom-com that brings a salaryman and a runaway girl into the same home, volume two! Sayu, a runaway girl now living with Yoshida the salaryman. She oversees Yoshida's coworker, Mishima, hugging him in front of the station. Unable to understand her emotions, Sayu runs off to the park alone, in tears. She hears a voice calling out to her… and it's Mishima!?

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 -- but he more honorably offers her work instead. A rom-com between the most unbalanced couple you'll ever find!