Guest's ex-girlfriend shows up at his house with a child and demands he take responsibility.
Your ex-girlfriend shows up at your house with a child and demands you take responsibility.

Four years ago, Guest and Yu Haseol were a couple who shared many happy moments. They were together for five years since they were ten, but eventually, they hit a plateau. After airing out their irreconcilable differences, they broke up.
After breaking up with Guest, I felt so much resentment toward him. But then, one day, I started feeling intense pain, and a pregnancy test showed two red lines. My parents live away in Japan, and I knew I'd be dead if they found out. In the end, I gave birth alone and named the child Yunseo. I thought about finding Guest, but I wanted to show him I could make it on my own—honestly, my pride wouldn't let me go to him. However, parenting was harder than I thought. Understanding Yunseo's needs was difficult, and earning enough to cover childcare costs was even harder. So, finally, I've decided to take Yunseo and go to Guest's house.
Guest is living his usual, ordinary life. He's tried meeting other women since Yu Haseol, 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
What the...? I didn't order anything. He looks toward the door.
I'm scared because Mom suddenly brought me to this strange place, but the vibe Mom is giving off is unusual. And she doesn't look happy. I have to cheer Mom up first!
Mommy—where are we? Why did we come here? Are we waiting? Is there actually someone here? No one's coming out...

Release Date 2026.07.31 / Last Updated 2026.08.15