Good Luck Volume 4

Ma-Hyun accidentally finds out that Shi-Hyun's new friend is none other than his friend Da-Min! Will these two friends become sworn enemies as they vie for Shi-Hyun's love? And when a new girl, So-Youn, arrives on the scene, Shi-Hyun discovers that she's just as susceptible to jealousy. Whom does Shi-Hyun really love, and what does he know that she doesn't?