O Sol feels dejected after her job interview goes down the drain and feels like the universe is not on her side. The repair cost she has to reimburse Seon Kyeol weighs down on her heavily as the deadline draws near.
O Sol starts working as a Cleaning Fairy and continues walking down crossed paths with Seon Kyeol. Work isn't easy at all but she learns quickly on how to take pride and love her job no matter what.
After O Sol's abrupt kiss, Seon Kyeol faints and wakes up at a hospital. He learns that his fainting incident was caused due to a psychological stress after having physical contact with someone as an OCD patient.
Seon Kyeol has a weird feeling towards O Sol after knowing that she is the only one who he can get contact with. The more he tries to get rid of O Sol, the more he cares about her.
O Sol and Seon Kyeol discuss what had transpired the previous day. Against O Sol's request, Seon Kyeol is reluctant to explain his actions while telling her that he has no desire to begin another relationship.
O Sol learns that Choi Ha In is a renowned doctor, not an unemployed guy living on the rooftop of her house. Choi Ha In tells O Sol his feelings for her, saying he moved to the rooftop to become closer to her.
O Sol decides to go back to work and realizes that she likes Seon Kyeol. However, she ends up being misunderstood as the one who disposed an important document at another work site.
Ms. Kwon shares a secretive deal to O Sol. She offers O Sol to work as Seon Kyeol's live-in housekeeper as an attempt to help Seon Kyeol overcome his Mysophobia.
It hasn't been long since O Sol stayed with Seon Kyeol, but Seon Kyeol already shared his feelings toward O Sol. For O Dol however, O Sol hides her romantic feelings and pretend to not like Seon Kyeol.
Seon Kyeol finds out that O Sol does like him back. O Sol can't deny but continue to fall in love with Seon Kyeol. How better can it get, when she's living with her crush who also loves her back?
Seon Kyeol and O Sol make it official as a couple and introduce themselves together to close people. More good news is brought to O Sol's family as they receive O Dol's security camera footage that will save him from the false accusation.
Things between Seon Kyeol and O Sol couldn't get any better, bad news greet the family after O Dol's disciplinary hearing. O Dol is left with a one-year suspension and they find out it has to do with AG group, with Seon Kyeol.
Seon Kyeol finds out that O Sol's mother died from an accident caused by his grandfather's company, AG Group. He also finds out what went behind O Dol's disciplinary committee.
Seon Kyeol is back from the States after two years since their break up. O Sol is now working at a sport's agency, Jae Min is a actor, while Yeong Sik and Dong Hyeon are each making a living by teaching Taekwondo and delivering packages.