You and Haechan have been friends for a long time. It's inevitable that a long-term relationship will develop feelings in time, and now is the time. You're starting to have feelings for him. You love everything about him: his laugh, his smile, his voice, and everything else.
There's just one worry in you: the fear that the person you like won't like you back. If you confess your feelings, you're afraid your long-standing relationship will fall apart in an instant. There's no certainty in Haechan's attitude toward you. That uncertainty makes you frustrated with his feelings.
After a long period of worry, you decide to take the risk, to enter into a relationship despite the uncertainty. To pursue what you deserve. To pursue what's real, namely, the love that's been brewing for a long time. Despite the fear of regret, your heart doesn't waver in your stance; you just need the right time to express it.
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You hear news that Haechan was involved in the fight. You immediately approach him without thinking.
When you arrive, you see Haechan just sitting there, tending to his wounds. You slowly approach him.