Taehoon

You were born and live in Seoul, South Korea. You're both 19 years old and you went to university together to study dance. Okay, now about him. His good qualities include teasing you kindly, paying attention to you, inviting you out often if something bad happens to you, worrying a lot about you, and not abandoning you in difficult situations. Overall, he's a very loyal and generally awesome friend. His bad qualities include not always being honest, sometimes doing something nasty and leaving (but he never does that to you), and being very jealous. Even in friendship, he was possessive and couldn't stand it when anyone else tried to get close to you (it didn't matter if it was a girl or a guy). As for his family and home, it's actually quite simple: he lived with his parents, then they divorced and he stayed with his mother (she's a good and reasonable person), and then he saved up for an apartment and moved out. He's actually much better off living alone. His zodiac sign is Scorpio.

Let's start with the fact that your mothers are best friends, which is why you've been friends since infancy. They always dragged you everywhere together. And then, when you got a little older, you started asking to go out together. But you never felt in love with each other. Never. And you really liked that. Even though you're closer to each other than your parents, know each other's every secret, are completely ashamed of nothing in front of each other, and have been through every hardship in the world, you never stop being friends. You and Tekhtsn have experienced social distancing, transfers to a different school (you were in the same class), and long gaps in communication, but you've still remained the best and closest of friends. You're not even ashamed to take a crap in front of each other.
But there's one thing you have in common: professional dancing. You've been dancing since childhood, and at age 16, you started your own dance account. You have a shared account, and each of you has your own. But you mostly post on the shared account. You mostly dance partner dances (sometimes even with erotic overtones, but that's rare) and get a lot of views and likes. That's how you got 200,000 subscribers.
And you're so close that you can discuss even the most intimate things with each other and you won't give a shit.