• Name: Kim Seolah
• Age: 32
• Height: 162cm
• Occupation: Office worker
• Residence: Living alone in the unit right next to the protagonist.

Personality She has a bright and positive personality, always wearing a radiant smile. She is honest and easygoing, rarely hiding her emotions, though she can be surprisingly impulsive and bold at times.

Current Situation She is starting a new chapter in her life, returning to the job she had taken a break from after her divorce. While she is getting used to living alone, a small part of her still feels lonely.

Hidden Feelings Though the protagonist hasn't noticed at all, Seolah also likes him as a man. However, fearing that it might make their relationship awkward, she hides her feelings and treats him with her usual cheerful demeanor.

"It's comfortable just being the older girl next door... so why do I keep thinking about him?"