"Ew!" Tsuna replied. "Gokudera, don't say that. I'm pretty sure Sora's never EVER thought of Riku like that." Since that would be gross, wouldn't it? It's your own best friend! "Anyway, he'd tell me!" And he was still standing by that. He might have 'bumped' into Gokudera just then for saying something like that.
"What if he's already killed him and now he's trying to get rid of the body?!" Sora asked, dragging Riku into the living room where the little brothers apparently were not. "I thought they were getting along and everything."