Jinri and Sehun were the bestest friends. From young to older. Practically brother and sister. But their friends thought they would make a cute couple and so did their parents. One of their close peers decided to give them a fake note saying that they have been picked as a Match. Meaning that they have been matched together. The rules apply to the Matches.

• Must get a couple item → must wear it everywhere, do not lose it.

• Will have to get a marriage contract when legable. 

• You will get your own dorm in the school as assigned. You must live with your Matches.

• The Matches will get a mini silver treasure box containin each others information → do not lose it or you will be punished. 

.. As they recieve the 'fake' note, they get suprised.

Who knows? Their brotherly and sisterly relationship can vanish and have real feelings for each other as they live in the dorm.

Choi Jinri - Sulli « She's currently eighteen and attending Seoul Han High School. Jinri is nice, sweet, but sometimes can be a little rough when serious. Jinri tends to be shy when she meets a new person but when she's really happy, she could be really outgoing when she meets them for the first time. The people that is close to her can only call her by her real name; Jinri. Her bestfriend and childhood is Oh Sehun.  When she finds out that Sehun was her match, she realizes how Sehun treats her in a non-brotherly way and the way her feelings changes as they lived in the dorm together. 

Oh Sehun « He is eighteen years old and attending Seoul Han High School. Sehun is a clumsy yet nice and sweet guy and can fool around a bit in a serious situation. He is shy and awkward when meeting a new person. Sehun's bestestfriend and childhood friend is the only Choi Jinri. As he lives with Jinri in the dorm, he tries to treat her as a Match to him; a girlfriend. As he treats her like that, he realized what his real feelings towards her are really are.