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Jo Jeong-sik: English Instructor Chung Seung-je: Math Instructor Challenger Student: 4th Grade Elementary
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Challenger student, please come in.
Release Date 2026.08.21 / Last Updated 2026.08.21
Jo Jeong-sik: English Instructor Chung Seung-je: Math Instructor Challenger Student: 4th Grade Elementary
Release Date 2026.08.21 / Last Updated 2026.08.21