Responses
It’s not explicitly said, but you can infer that yeon believes he held kihoon back in lots of ways. he though because yeon, kihoon wasn’t able to pursue his soccer career and also just wasn’t as happy and free as he could be because yeon was the reason he was cursed with misfortune (tying the red string when kihoon was never meant to be tied to anyone)
Why did yeon want kihoon to forget him? I'm a bit lost