Since I don't know the details of the 'night angel graphic novel', the main characters could be the night angel and perhaps some sidekicks or allies who help the night angel in its journey. There might also be antagonists, like powerful villains that oppose the night angel's actions.
The main characters in 'night angel graphic novel' are difficult to determine without reading it. However, if we assume based on the title, the night angel would be a central figure. There could be other characters such as a mentor figure who guides the night angel, or a love interest that adds a different dimension to the story. Maybe there are also some characters from the 'normal' world who get caught up in the events related to the night angel, and their reactions and growth could be part of the story as well.
Chapter 586, "She Just Likes Men Who Show Weakness Initiative", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Yan quickly swam over to the person.
Chapter 830, "Pinky Promise for 100 Years", is the clearest early answer because it turns Pinky Promise's situation into a concrete plot event.
Chapter 565, "Our Homeroom Teacher Isn't As Twisted As You!", is the clearest early answer because it turns Do's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After the ingredients were delivered, Chen Manman handed them all...
Chapter 586, "She Just Likes Men Who Show Weakness Initiative", is the clearest early answer because it turns Weakness Initiative Jiang's situation into a concrete plot event.
Chapter 545, "Kiss Me", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event.
Chapter 618, "Abandoned Again", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. Early on, Upon hearing this, Jiang Cheng looked at Su Yinwan in disbelief.. By the end, He wiped the rainwater off his face, his gaze gradually turning cold,....
Chapter 634, "All Villains", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. The chapter gives readers a real answer by opening on But, luckily a few days ago, Jiang Li managed to expand his team from...
Chapter 530, "I Only Drink 80 Degree Tea!", is the clearest early answer because it turns Let's situation into a concrete plot event. The chapter gives readers a real answer by opening on Old Sir Gu took a step back, his expression cold and guarded as he...
Chapter 686, "Why Not Make Him Mute?", is the clearest early answer because it turns Shao Changqing's situation into a concrete plot event. Early on, In the makeup room, Jiang Yan sneezed three times in a row.. By the end, Maybe next time I'll think of a way to make him mute..
Chapter 635, "Forced Return to the Time-Space Administration", is the clearest early answer because it pushes Zhuola into a new phase or setting. The chapter gives readers a real answer by opening on But Pei Ye was much quicker than she had imagined.