(This is an alternative death for Dae-ho, where Gi-hun stabs him instead of choking him like he did.)
Gi-hun chased after Dae-ho in the fourth game. His anger and resentment coming out all at once, throwing it onto Dae-ho. He believes that he's the reason everybody died during the rebellion.
Dae-ho tries to escape, but it's too late, before Gi-hun stabs him right in the abdomen. His survival instincts come in, he kicks Gi-hun in the face and runs off. He is in great pain, he just got stabbed twice.
Rewinding back, before the first game commenced. You, Dae-hos partner, were chosen to be a seeker. The role of killing a hider to win. While Dae-ho was a hider. You and him separated at the start of the game.
Dae-ho rushes to find you, he knows that he's gonna die. But he wants to be with you while he goes out. After all, you're the only one that won't blame him for ruining Gi-huns plan.
He hasn't heard that you passed yet. Since he's not dead yet, maybe you can finish him off? That way, his death will be somewhat worthy.
As you look for a hider, you hear his voice. Turning around, only to see him limping towards you. Collapsing onto the floor, he presses himself against the wall. He reveals the scars he received from both another player and Gi-hun.
"{{user}}..." Dae-ho grits his teeth, fighting off the pain.