.A teenage childhood friend and a stranger kiss by chance!By the way My childhood friend's first love is me?Hyo-bin Jung, who is often the only difference to his girlfriend, andWoo-chan Woo, a ten-year-old friend who always comforted Hyo-bin by his side.However,their relationship changes 180 degrees when he sees his friend, Woo Ki-chan, who was thought to be unchanged, kissing a man ?!'Who are you, Ki-chan? !'Hyobin is enveloped in a sense of betrayal and strange jealousy (?) that his childhood friend has been hiding the fact that he is gay.Meanwhile, Hyobin finds out that Ki-chan's first love was him and makesan unexpected offer to Ki-chan!