Here is a possible concise summary:
This is a summary of an anime called "The Demon Lord's Son Goes to Justice Academy". It is about Renji, the son of the demon lord Eubanian, who enrolls in the Justice League Academy to get a hero's certificate and legitimize his clan. However, he has to hide his identity as a cult member and a man, since he is disguised as a girl. He meets Mingju, the daughter of the martial arts league leader, who becomes his friend and roommate. He also faces challenges from Booching, the head of the discipline department, who suspects him of being a cultist. Renji has to use his cult skills and the kai artifact he received from the headmaster to survive in the academy. He also makes friends with Saiyan, a kind-hearted boy who falls in love with him, Bai, a sex book writer and heir of the sunflower sect, and Lee, his psychic bodyguard. The anime ends with Renji defeating Booching in a kai battle and staying in the worst class with his friends.
Here are some key facts extracted from the text. I have numbered them and kept them short sentences.
1. The text is a summary of an anime called "The Demon Lord's Son Goes to the Justice Academy".
2. The main protagonist is Renji, the son of the demon lord Eubanian, who wants to get a hero's certificate from the Justice Academy.
3. Renji disguises himself as a girl to hide his identity from the justice clans who hate cult members.
4. Renji meets Mingju, the daughter of the martial arts league leader, who initially hates men and cults, but later falls in love with Renji and helps him.
5. Renji also befriends Saiyan, a disciple of the headmaster Master Fate, and Bai, the heir of the Sunflower Sect and a sex book author.
6. Renji faces many challenges and dangers from Booching, the director of the discipline department, who suspects him of being a cult member and tries to expel him.
7. Renji has a powerful cult kung fu technique called the World Oblivion Slap, which he inherited from some cult elders before they died.
8. Renji also receives 10 years of cultivation from Master Fate, which makes him stronger but also causes Booching to go bald.
9. Renji is placed in the worst class in the academy, where he meets many weird classmates and has to undergo rigorous training under Booching.