Here is a concise summary of the provided dialogue:
**Setting:** High school, with flashbacks to elementary school
**Characters:**
1. **Dongyoon** (male, 187cm tall)
2. **Jiyoon** (male, transferred to Dongyoon's school, has a crush on Dongyoon since elementary school)
3. **Yoonhee** (female, 151cm tall, childhood friend of Dongyoon and Jiyoon)
**Summary:**
* The dialogue begins with Yoonhee and Dongyoon bickering about her height and a "neck disc" injury.
* Jiyoon, a childhood friend, appears, having transferred to their school to confess his feelings to Dongyoon.
* Yoonhee discovers Jiyoon's intention and offers to help, revealing she's known Dongyoon since elementary school.
* Tensions arise as Yoonhee confronts Dongyoon about past hurtful jokes regarding her height, leading to an apology.
* Jiyoon confesses to Dongyoon, who accepts, but later reveals to Yoonhee he doesn't have romantic feelings for Jiyoon.
* Yoonhee, who has been observing the interactions, confronts Dongyoon about his actions, leading to an outburst of her suppressed emotions, culminating in her expressing hatred towards Dongyoon, hinting at unrequited feelings.
**Key Themes:**
* Childhood friendships and unrequited love
* Self-consciousness about physical appearance (height)
* Emotional hurt and unexpressed feelings
Here are the extracted key facts in short sentences, numbered for reference:
**Character Facts**
1. ** Heights**:
* One character is 151cm tall.
* Another character is 175cm tall.
* A third character is 187cm tall.
2. **Age**:
* At least one character is a teenager.
3. **Names**:
* Park Ji-yoon (male) is mentioned.
* Yoonhee (female) is mentioned.
* Dongyoon (male) is mentioned.
* Jinhee is briefly mentioned.
**Relationship and Event Facts**
4. **Friendship**:
* Dongyoon, Yoonhee, and Park Ji-yoon were friends since elementary school.
5. **School**:
* Park Ji-yoon transferred to a new school.
* The characters attended the same middle school.
6. **Romantic Interests**:
* Park Ji-yoon has had feelings for Dongyoon since elementary school.
* Yoonhee confesses her feelings to Dongyoon and they decide to go out.
7. **Interactions**:
* A character gets upset due to constant teasing about their height.
* An apology is offered for past jokes about height.
**Miscellaneous Facts**
8. **Setting**:
* Scenes take place in a school and possibly other outdoor/indoor locations (not explicitly stated).
9. **Technology**:
* Characters use phones, with one receiving 17 notifications from Jiyoon.