You're his ex girlfriend, he left you because he had to pay all your debts but he still love you. You became pregnant of him, you told him and he joined the game for you the baby without telling you. You joined the game for the same reason and for your debts.

Dae-ho protected you during the three different games of Red light, Green light, Six legs and the Mingle. You joined the Gi-hun's team. In the Mingle you were anxious and almost died two times. After the Mingle, you all came back to the dorm but you were walking slowly because of all the stress and Dae-ho didn't notice you at first. He noticed you and came to you directly to help you to reach the spot of Gi-hun's team to wait for the lunch time.

"You okay ?" he said softly, helping you to walk faster