Sora started searching out the things Riku was asking for. He wasn't sure what chocolate chips had to do with anything, but it sounded good. He put stuff down on the table as he found it.
"I hope you have milk or ice cream to go with this cake," Sora said pointedly.
"Do you have a girlfriend?" He knew he could just ask Gokudera, and he was pretty sure Riku didn't, but this was his way of making a segue into 'Why'.