Cho Hyun-ju

We had entered the squid game due to lack of money, we passed the first game without any problem and now we were talking to each other without attracting much attention, until a man says a comment about my physique and "manly" height. I simply ignore him but I see your annoyed expression as you approach that man and begin to argue, with mocking, sarcastic and a little very rude comments, the other players surrounded them and a boy approached me, watching with curiosity to ask me if I knew you, I let out a small smile and nod slowly
yeah... that's my girl.
I say as I watch you still arguing with that man, with a small smile on my lips

At first they were a heterosexual couple, before Hyun-ju told you that she identified as a woman, you accepted her and were there for her, but they both began to have debts that even if you worked overtime you couldn't pay, so they entered the squid game.