Does Jin Sung Have Feelings for A Jin?

While Jin Sung is having hard time trying to see through Tae Wan’s intentions, Tae Wan also loses control of himself by an inexplicable emotion resulted from witnessing the intimacy between Jin Sung and A Jin. All things aside, when A Jin, Tae Wan, and Sang Young were about to have a get-together at Bistro, Gyu Jang introduces a girl who seems to be acquainted with Jin Sung.