Etoos apologizes after instructor Lee Do halts lectures
Etoos said Lee Do, who appeared at the Devil's Plan: Dead Again presentation on November 5, had told the platform on October 29 he would stop this year's classes.
Etoos published an official apology on its website on November 9 after instructor Lee Do halted his lectures, according to joynews24.com. The platform said Lee Do had announced in his own name on October 29 that he would not hold the rest of this year's lectures.
In the apology, Etoos said it had coordinated schedules and supported filming so that the lectures could continue as normal, but the agreed schedule was not kept because of the instructor's circumstances. The company apologized for the inconvenience caused to students' studies.
Lee Do attended the production presentation for the Netflix show Devil's Plan: Dead Again on November 5 and released a promotional video on his personal YouTube channel.
Earlier health-related stoppages
On October 29, 2026, Lee Do said he would not hold the rest of this year's lectures because of health issues, stating that he would take time to look after himself for the rest of 2026 on medical advice.
In August 2025, he had also stopped some lectures because of health problems, citing a worsening corneal condition that made it hard to look at monitors and write textbooks.
Lee Do, born in 1998, studied geography education at Seoul National University and teaches Korean and world geography at Etoos.
Quick answers
Why did Etoos apologize?
Etoos apologized on November 9 after instructor Lee Do halted his lectures. The company said it had supported filming and scheduling, but the agreed schedule was not kept because of the instructor's circumstances.
When did Lee Do announce he would stop his lectures?
He announced in his own name on October 29 that he would not hold the rest of this year's lectures.