Ilhoon said “학문 넓혀라” which is supposed to be read as ‘hangmun neolpyeora’ which can also mean “widen your anus” since “항문 (hangmun)” means “anus.” However, to make his perverted title more subtle, he opted to say ‘hakmun neolpyeora,’ explaining that his title expressed the idea of working hard on one’s studies [학업 (hageop) in Korean].