This is a possible summary:
The text is a transcript of a Korean drama called High School: Love On. It is about a girl named Seulbi who is actually an angel who lost her powers after saving a boy named Woohyun. She lives with Woohyun and his stepmother Ms. An, who is also the ethics teacher at their school. Ms. An has another son named Sungyeol, who is Woohyun's rival and also likes Seulbi. The drama shows the conflicts and romance among the three main characters, as well as their friends and family. In this episode, Ms. An faces the risk of being fired because of her personal life, but the students try to stop it by petitioning for or against her dismissal. Woohyun wants to keep Ms. An as his mother, while Sungyeol wants to get rid of her. Seulbi tries to stop them from fighting, but she also has to deal with another angel who likes her and wants her to go back to being an angel. The episode ends with Seulbi telling Woohyun to leave her alone because she is afraid of him.
Here are the key facts extracted from the text:
1. Marks are visible to humans.
2. The marks flash when in danger.
3. Being revealed turns one back into an angel.
4. Seulbi has a light on her wrist.
5. Someone witnessed Seulbi being tortured.
6. Threats were made to kill if Seulbi is bothered again.
7. Angel marks sparkle when suspected or in danger.
8. Someone is going through another's bag.
9. A character wants to become a human.
10. No dating is allowed in school.
11. A character was threatened to be killed if they bother someone again.
12. A character is confused about suddenly getting a mom.
13. A teacher abandoned her own son and chose her stepson.
14. A character's father got into an accident and is having surgery.
15. A character is threatened with violence for bothering someone.
16. A character expresses a desire to grow up fast and make their own choices.
Please let me know if you need more details or further assistance with this text.