Taeyeon and Yuri having best relationship. People always called them ''Sweet Couple''. They have their relationship almost a year~  They are going to be engaged but one mistake that makes their relationship miserable. Yuri became a possessive and obssessed girlfriend, . She always get drunk every night when she know that her girlfriend are cheating! Yuri always beaten her when she's drunk or get jealous. Taeyeon doesn't tell  her friends or her family that her had been beaten except her best friend, Jessica. Jessica always protect Taeyeon from people that hurting her best friend. She doesn't know why? What did she do? what is wrong? Is there something wrong? When she discovered that the reason what she do, it's because one mistake or should i say, misunderstanding, she do whatever it takes in order to be able to forgive her mistakes from yuri. She love Yuri too much~ She want her sweet girlfriend back! 

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I do everything for her to forgive me - KT

                                                                                   I'll do whatever i want to her, She's mine! always mine! - KY

What i wants, i'll get it and i want her! Whatever, she's mine! Not hers! - TH

                                                                                   I'll protect her from whatever, she's my bestfriend! - JJ

I'm sorry, I'm a coward - CS