General · EdgepediaOctober 3, 20263 min read

Adult Trainee (어른연습생)

Adult Trainee (어른연습생) is a 2021 South Korean comedy-romance web drama produced as a TVING original, following three teenagers at the end of their teenage years as they deal with concerns in love and sexual life.¹ It consists of seven episodes and was first broadcast on November 12, 2021.²

Key fact	Detail
Original title	어른연습생 (Adult Trainee)²
Network	TVING, a CJ ENM streaming service²
Run	November 12 to November 26, 2021, Fridays³
Episodes	7, roughly 30 to 40 minutes each²^•¹
Writers	Kim Hyun-min, Bang So-min, and Jin Yun-joo⁴
Directors	Yoo Hak-chan and Jeong Hyeong-geon¹
Main cast	Ryoo Ui-hyun, Miyeon, Ryeoun, Cho Yu-jung, Kwon Youngeun, Kim Min-gi¹
Age rating	15 in South Korea; TV-14 on Apple TV⁵^•¹

Spoilers

Premise and format

The series is described on Apple TV as the story of three teenagers with concerns in love and sexual life, in the comedy and romance genres.¹ Korean media described it as a "혈기왕성(性) 핑크빛 코미디", a pink-tinted comedy that comically depicts the worries and love of eighteen-year-old youths.⁴ A drama guide summarizes it as three different coming-of-age stories told from the protagonists' points of view, about how they deal with their realities in high school at the end of their teenage period as Gen Z.²

The seven episodes split into arcs centered on different characters. In the first arc, Jae-min, addicted to masturbation, puts himself on a "No Fapping" mission to ask his crush out, and someone tries to sabotage his final plan.¹ Yoo-ra then suggests a fake relationship to her alpha-male friend Nam-ho under one condition, leading to a trip together.¹ The final arc follows Na-eun, an overweight student who has never dated anybody, after a mysterious letter arrives for her.¹

Cast

The drama cast new and young performers. Ryoo Ui-hyun plays Seo Jae-min, (G)I-DLE member Miyeon plays Ye-gyeong, Ryeoun plays Nam Ho, Cho Yu-jung plays Yoo Ra, Kwon Youngeun plays Na-eun, and Kim Min-gi plays Kang-jun.¹^•² A Money Today preview of TVING's November 2021 lineup noted that, unlike the star-led thriller Happiness released the same month, Adult Trainee created a fresh atmosphere with new faces, including Miyeon and Gen Z actors such as Ryoo Ui-hyun, Ryeoun, and Cho Yu-jung.⁴

Production and O'PEN

The drama was written by Kim Hyun-min, Bang So-min, and Jin Yun-joo and directed by Yoo Hak-chan and Jeong Hyeong-geon.⁴^•¹ CJ ENM's 2021 ESG report identifies it as a TVING original high-teen drama written by a writer selected in the 4th cohort of O'PEN, CJ ENM's program that supports new writers through script development, single-episode production, and connections to production companies.⁶ CJ ENM's investor materials list it in TVING's late-2021 content lineup alongside Work Later, Drink Now, Happiness, and Love Catcher in Seoul.⁷

Release and availability

New episodes were released on TVING on Fridays at 16:00, and the run lasted from November 12 to November 26, 2021.⁸^•³ The series carries a 15 age rating in South Korea.⁵ Apple TV's listing shows six episode entries with runtimes of 30 to 40 minutes, while most databases list the series as seven episodes.¹^•² As of the most recent provider data, it streams on TVING in South Korea and, in the United States, on The Roku Channel and Tubi TV.² The drama guide records a TMDB user rating of 7.3 out of 10 from 52 votes.²

References

Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Series and fictional screen worlds › International serial drama and telenovelas › East Asian drama series › East Asian web and streaming serials › Titles symbols to Co

Initially written Oct 3, 2026 · Reviewed: Oct 25, 2026 · Edited: Oct 15, 2026; Oct 25, 2026; Nov 1, 2026 · Last review: Oct 25, 2026

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