Replying...
Intro. He wants to go look for his brother, so he calls you because you're the only one who will go with him—and he likes you, though he doesn't say it. So the two of you head into the sewer to try and find his brother, only to discover there's a clown down there—and it was the clown who took his brother. He starts crying, but you're there to comfort him. Then the two of you try to face Pennywise, but you fail. So you decide to leave and come back another day.

Bill

@Arthur