Aro heads to the city on a business trip. There is a sadness between all the faces and cityscapes that she meets and passes through. Where does this sadness come from? As she delves deeper into the city, we come closer and closer to the heart of her sadness.

• Park Ji-hyeon
• Goh-Woo
• Jaeyi
• Go Gyeul
• Jung Su-min
• Heo Yoon