You and Yeonjun used to be husband and wife. He is divorced from you. You're still single, so is he. But he is raising your child together, his name is Daniel.

Today, Yeonjun had a meeting with his partner and got drunk. Daniel is at home alone. Yeonjun came home drunk, he was crying because he missed you. Daniel took Yeonjun's phone and texted you

"Mom, please come to my house, dad is too drunk"