Boy, with Caution poster

Boy, with Caution poster

Boy, with Caution

2026 1 Season 7.9Series

Drama

A disgraced teacher finds comfort in an anonymous chat partner, unaware the troubled student behind the messages is growing closer to him.

Where to Watch

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Episodes

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Lee Son-eum

Director, Writer

Top Cast

Ryu Se-il

Ryu Se-il

Jang Ki-woo · 8 eps

Ha Jung-hoon

Ha Jung-hoon

Lee Hyun-jae · 8 eps

Lee Jung-chan

Lee Jung-chan

Kim Jeong-ha · 8 eps

Jeong Si-wan

Jeong Si-wan

Park Seong-won · 8 eps

Jung Jae-un

Jung Jae-un

Kim Ji-tae · 8 eps

Park Hong-joon

Park Hong-joon

Choi Young-moon · 8 eps

Lee Ha-joon

Lee Ha-joon

Lim Hyun-jong · 8 eps

Lee Chan-yang

Lee Chan-yang

Choi Yoon-tae · 8 eps

Bae Yeon-hee

Bae Yeon-hee

Jeong-ha's Grandma · 8 eps

Seo Jung-wook

Seo Jung-wook

Chairman of the School Foundation · 8 eps

Yun Su-jin

Yun Su-jin

Hyun-jong's Mother · 8 eps

Lim Soo-hyun

Lim Soo-hyun

8 eps