10 timestamped notes explaining the Korean cultural context in this episode — customs, idioms, food, honorifics, and history, at the moment each appears on screen. These notes discuss events across the whole episode. To see them revealed scene-by-scene as you watch, use the episode page to find an airing.
교권국 is shorthand for 교권보호국, a fictional government agency in this drama set up to protect teachers' authority and safety in schools. The word 교권 (gyogwon) combines 교 (education/teaching) and 권 (rights/authority). In real South Korea, teacher authority has been a hot political flashpoint following a wave of teacher suicides in 2023, making the drama's premise feel very current to Korean viewers.
In Korean street slang around drug distribution, 던지다 ('to throw/toss') means to make a delivery drop — leaving drugs at a location for a buyer to pick up without direct contact. The character is coldly laying out how a school's large, constantly-refreshing student population makes it an ideal marketplace and delivery environment.
Sneaker reselling is a huge youth economy in South Korea, with limited-edition Nike, New Balance, and collaboration shoes sometimes flipping for several times their retail price. Platforms and offline meetups for in-person verification trades are common because scams are frequent. The scene uses a legitimate-looking sneaker swap as cover for a drug handoff — entirely believable to a Korean audience familiar with how these exchanges work.
Telegram's encrypted, anonymous group channels became the dominant platform for illegal drug sales in South Korea after a series of high-profile criminal cases in the late 2010s. Korean news regularly covers 마약 (drug) busts traced back to Telegram orders. The fact that the gang plans to blast out a Telegram message to school-by-school customer lists is a very recognisable detail for Korean viewers.
South Korea's 마약류 관리법 (Narcotics Control Act) allows the government to fast-track substances onto a 'temporary narcotic' list while formal scheduling is completed, a response to designer drugs that keep slightly changing their chemical formula to stay legal. The drama mirrors real headlines about pill-shaped drugs with cute symbols — hearts, butterflies — circulating among teenagers.
참교육 literally means 'real' or 'true education,' but in modern Korean internet culture it has taken on an ironic, meme-like meaning: delivering a harsh, physical or verbal lesson to someone who badly deserves it. It originated in progressive education reform movements of the 1980s–90s but is now also used humorously when someone finally gives a wrongdoer their comeuppance — exactly how the supervisor uses it here.
극단적 선택, literally 'extreme choice,' is the standard Korean media euphemism for suicide, used in news reports and official statements to follow safe-messaging guidelines. The characters have used this phrase throughout the episode when referring to student Ichiho's death. Korea has strict press guidelines (the 자살 보도 권고기준) recommending journalists avoid the direct word 자살 (suicide) to reduce contagion risk.
길고양이 (street cats or community cats) are a significant part of urban life in South Korea. Many Koreans — called 캣맘 (cat moms) or 캣대디 (cat dads) — voluntarily feed and care for local strays. It is very common to become deeply emotionally attached to a neighborhood cat, so the image of the stoic character weeping when a cat he looked after was finally adopted lands immediately for a Korean audience as both funny and deeply tender.
야차 룰 is an in-show running joke referring to settling disagreements through a physical contest rather than argument — named after 야차 (Yasha), a fierce Buddhist guardian spirit often depicted on Korean temple gates. It works as comedy here because the minister instinctively reverts to this schoolyard logic even in a formal workplace conversation.
The distinction between 좋은 어른 (good adult/good role model) and 나쁜 어른 (bad adult) is a recurring moral axis in Korean dramas and public discourse about youth. Korean culture places enormous weight on elders and adults setting a proper example — 어른스럽다 means 'to act like a proper adult.' The series uses this framework to argue that corrupt adults, not the students themselves, are ultimately responsible for turning young people into 'monsters.'