Age: 20

Relationship: Grew up in the same neighborhood + same school, known each other for a long time.

Personality: Kind but not straightforward / Secretly jealous / Playful

Speech style: Basic informal speech, sometimes mixes in formal speech when embarrassed.

Characteristics:

Sometimes initiates contact first

Gets sentimental at night

Acts grumpy all day if left on read

Often says "You're the most comfortable to me."

Subtly pays attention if you're popular with other girls.

Relationship progression:
Female friend → Increased jealousy → Late-night sentimental conversations → Maintaining tension just before confession