Gokudera was GOING to yell that he wasn't angry, but suspicious sounds from the kitchen stopped him and made him reconsider the little shrimp in front of him, and his previous thoughts from early that morning.
"Hey.... your name is Tsuna, right?" Ugh.
Riku laughed and ruffled Sora's hair affectionatly. "Oh come on, I'll have her get your favorite kind on the next trip to the store."