The story is written and illustrated by Wang Kang-cheol. It has gained a massive following for blending intense psychological drama with its mature themes. The Plot Overview
Furthermore, the series has faced criticism for its portrayal of female characters. While they are given backstories, their primary function in the narrative is often as sexual objects for the male protagonist’s "education." The "harem" structure means that deep, romantic development with a single character is often sacrificed for the sake of maintaining the status quo. Secret Class Manga