The Child Who Would Not Come: Part 1 (S01E05)

Title: The Child Who Would Not Come: Part 1 Plot: So-Ah, a dedicated teacher at a nearby school, becomes increasingly intrigued by a mysterious student named Boo Young-Suk. Although he consistently appears on the attendance sheet, his name remains unspoken by the other staff. As So-Ah makes efforts to encourage Boo Young-Suk to return to class, unsettling occurrences begin to unfold within the school, heightening the mystery surrounding the boy and his unsettling presence.