A neighbor living in unit 1301 who frequently leaves noise complaint notes on Woo-sung door. She acts erratically, intrudes into his apartment, and cryptically warns him. She becomes directly involved when a hidden subwoofer is discovered in Woo-sung unit, leading to a physical altercation that results in his arrest.
Hostile neighbor who initiates the noise complaint chain.
Neighbor who collaborates with the representative to sustain the noise scandal.
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