The arrival of an unwelcome guest sets Ms. Mi-dong on edge. Yu-ri, Min-jeong and Go Hyeon-jeong have had enough of the preschool's bullying moms.

Kim Tae-hee
Cha Yu-ri

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Lee Kyoo-hyung
Cho Gang-hwa

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Go Bo-gyeol
Oh Min-jeong

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Shin Dong-mi
Go Hyeon-jeong

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Seo Woo-jin
Cho Seo-woo

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Lee Si-woo
Jang Pil-seung

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Oh Eui-sik
Gye Geun-sang

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Ahn Nae-sang
Dr. Jang

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Kim Mi-kyeong
Jeon Eun-suk

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Park Soo-young
Cha Mu-poong

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Kim Mi-su
Cha Yeon-ji

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Yoon Sa-bong
Ms. Mi-dong

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Ban Hyo-jung
Jung Gwi-soon

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Bae Hae-seon
Seong Mi-ja

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Park Eun-hye
Seo Bong-yeon

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Kim Dae-gon
Jang Dae-choon

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Han In-soo
Cho Gyeong-hwan

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Kang Yeon-jung
Nurse Jung

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Kwon Eun-seong
Gye Ha-jun

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