My ID is Gangnam Beauty (2018)

S1E6 The Handsome Guy’s Counterattack Part 2

At the festival, Mi-rae unexpectedly encounters an old schoolmate and senses that something is off with Hyeon Su-a. As they rekindle their connection, Mi-rae can't shake the feeling that there's more beneath the surface of Su-a's demeanor. The encounter prompts Mi-rae to delve deeper into their past, discovering hidden layers and unresolved tensions that could change everything between them.