In a gothic novel, perhaps a character wearing a purple and black corset might be a mysterious lady in a grand, old mansion. She could be the center of intrigue, her corset symbolizing both her allure and her confinement within the strict social norms of the story's setting.
[Zi Chuan and Dylin have a love scene in the movie.] Dylin was a calm and decisive person. He was very loyal and affectionate to his brothers and wife. Although there were some disputes, such as his cold-blooded rationality and cruelty, there was an emotional line between him and Zi Chuan. However, the details and development of the emotional scene were not provided.
Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.