Sung-eon notices that they look  similar but have different eye colors. Meanwhile, Jae-hui and Hye-won appear to become possessed in art class, cutting each other's faces with scalpels, uttering "I'll make you pretty."
Sung-eon recognizes the twins' similarity but notes their differences in eye color. Meanwhile, Jae-hui and Hye-won seem to be experiencing a strange, almost supernatural influence in art class, leading them to engage in violent behavior.