After Seonho's confession, Seonho and Green's relationship becomes increasingly awkward. Green finds this situation incredibly distressing. Wooyeon, too, hates the feeling of being small and being compared to others around her when she's with Kijung, and declares she'll never love her. Meanwhile, Wooyeon, who studied hard to confidently attend the "Spirit Fingers" club, finally tells her mother when her grades improve, but she's severely scolded and heartbroken...

Seon-ho's bombshell announcement that he's about to enlist in the military shakes Green's heart, and thoughts of Seon-ho fill his mind. Meanwhile, Ki-jung goes around bragging about taking responsibility for Woo-yeon after the kissing incident, and Woo-yeon begins to open up to Ki-jung, who, despite his awkwardness, is always bright and caring. However, Ye-rim, trying to break up the relationship between Ki-jung and Woo-yeon, asks Woo-yeon to join the "Spirit Fingers" gathering.

Ye-rim follows Woo-yeon to a "Spirit Fingers" gathering. Woo-yeon is deeply disturbed by the sight of Ki-jeong and Ye-rim's affectionate couple pose. However, Ki-jeong, oblivious to Woo-yeon's true feelings, finds Woo-yeon unfazed. Then, Sera and Mirae, who happen to run into the triplets who have been bullying Woo-yeon, engage in a heated fight. Woo-yeon receives a call that the two are at the police station and rushes to them...