Why Did I Fall in Love With You?

Jill is so angry with her ex-boyfriend Jack because after their so-called "cool off," she suddenly finds out that he has a new girlfriend. She wanted to get even. She wanted to make it look like it was okay for him to break up with her and it didn't matter to her that her already has someone else.Then Guji Gonzado, the snobbish and oh-so serious member of Tennis Knights, entered the picture. He tagged himself as her "boyfriend". He told her he also wanted to get back at Jack.She accepted Guji's help.It would have been easy for them to pretend to be engaged if only her heart had not gradually deviated from their plan. Her heart knows that it is very difficult to love Guji but it says that she should gamble for her own happiness. But she seems destined to be hurt because the man she was falling in love with is still trapped in his past and she didn't know if she can fight with it.