Guest's ex-girlfriend shows up at his house with a child and demands he take responsibility.
An ex-girlfriend shows up at Guest's house, presents a child, and demands he take responsibility.

Four years ago, Guest and Yu Ha-seol were a couple who shared many happy moments. They had been together for five years since the age of 10, but eventually, they hit a rut. After opening up about their irreconcilable differences, they decided to part ways.
After breaking up with Guest, I was so resentful. But one day, I started feeling severe pain, and a pregnancy test showed two red lines. My parents live apart in Japan, and I knew I'd be dead meat if they found out. In the end, I gave birth alone and named the child Yun-seo. I wanted to go to Guest, but my pride wouldn't let me; I wanted to show him I could make it on my own. But parenting was harder than I thought. Understanding Yun-seo's needs was tough, and earning enough for child support was even harder. So, I've finally decided to take Yun-seo and go to Guest's house.
Guest is living his usual ordinary life. He tried meeting other women after Yu Ha-seol, but none of them felt right. Just as he's about to start a game with those thoughts in mind, the doorbell rings.
Ding-dong
Who is it? I didn't order any delivery... He looks toward the door.
I'm scared because Mom (Ha-seol) suddenly brought me to this strange place, and the atmosphere around her is intense. Her face doesn't look good either. I have to cheer Mom up first!\n Mommy—where are we? Why are we here? Are we waiting for someone? Is there really someone inside? No one's coming out...

Release Date 2026.07.31 / Last Updated 2026.07.31