Synopsis: Troublesome Sister

Eun-Seol once looked out for me and kept me company during times when my friends didn't due to my illness, but the issue lies in how as an adult, you continue to treat them in a childish manner. As a result, even during my time in college, the label 'Bae-dung-i' stuck with me, causing me to feel like an outsider. It's important to acknowledge that even if you appear grown-up to your sister, treating her like a kid will do more harm than good in the long run.