"Katsuragi is a character in the Japanese manga ""I'm Telling The Teacher"". He is a student in the same class as the main character, Nishino. Katsuragi's first appearance is in chapter two, where he is introduced as one of Nishino's classmates.

Katsuragi is known for his sly and manipulative personality, often using his charm and good looks to get what he wants. He is the type of person who will do anything to win, even if it means hurting others. This can be seen in chapter four, where he spreads rumors about Nishino and another classmate, causing trouble for both of them.

Despite his cunning nature, Katsuragi is also a talented artist, which is revealed in chapter six when Nishino discovers his sketchbook. His love for art is a way for him to express himself and escape the stress of his personal life.

Katsuragi's romantic interest in Nishino is hinted at throughout the manga, particularly in chapter ten when he asks Nishino to be his model for an art project. However, his advances are not reciprocated by Nishino, who sees through his manipulative behavior.

In chapter twelve, Katsuragi's true intentions are revealed when he confesses his love for Nishino and expresses his jealousy towards Nishino's friendship with another boy in their class. This leads to a confrontation between Katsuragi and Nishino, where Katsuragi reveals the extent of his manipulative behavior and the pain he has caused others.

In conclusion, Katsuragi is a complex character in ""I'm Telling The Teacher"". He is a talented artist with a manipulative personality and a romantic interest in the main character, Nishino. While he may be charming and attractive on the surface, Katsuragi's true nature is revealed as the manga progresses."