Here is a concise summary of the provided transcript:
**Summary**
The transcript appears to be a dialogue-driven scene from a Korean drama or film, focusing on the daily life of a high school student, Song Mi Na. The story unfolds as follows:
* The scene opens with Mi Na interacting with her mother at home.
* Mi Na arrives at school, where she is introduced as a new student who has returned from the United States.
* She meets her classmates, including the class president, Jin Hyuk, who is assigned to be her mentor.
* Mi Na navigates her first day, answering questions about America and dealing with her classmates' curiosity and teasing.
* Jin Hyuk shows kindness to Mi Na, returning her wallet and offering his phone number for support.
* The transcript hints at potential friendships and conflicts, including a strict student manager named Geun Young.
* The final part of the transcript takes a darker turn with an unexpected encounter that suggests a potentially troubled past for Mi Na.
**Key Characters:**
1. Song Mi Na (protagonist, new student)
2. Jin Hyuk (class president, Mi Na's mentor)
3. Mi Na's Mother
4. Geun Young (student manager)
5. Unnamed character in the final encounter (possibly from Mi Na's past)
Here are the extracted key facts in short sentences, numbered for reference:
**Warning: Some context might be lost due to the extraction process.**
1. **Character Introduction**: The main character's name is Song Mi Na.
2. **Location Change**: Song Mi Na has returned from the United States.
3. **School Details**: She is a 2nd-year high school student.
4. **Classroom Setup**: Jin Hyuk is the class president.
5. **Mentor Assignment**: Jin Hyuk is assigned to be Song Mi Na's mentor.
6. **Lost and Found**: Song Mi Na finds someone's lost wallet.
7. **Residence**: Song Mi Na lives in Mok-dong.
8. **School Rules**: Having a part-time job is banned at their school unless permission is granted.
9. **Character Role**: Geun Young is the student manager.
10. **School Regulations**: Wearing a necktie is a school requirement, enforced by Geun Young.
11. **Facility Directions**: The bathroom is located to the right after exiting the current area.
12. **Previous Acquaintance**: Song Mi Na encounters someone she knows from the past.
13. **Return Timing**: The acquaintance expresses they should have been notified of Song Mi Na's return.