The blue-haired boy watched in interest while Kei played, as if to silently take note on whatever techniques could be seen. At least until the ball finally fell and the other briefly took it out on the machine. Determination mixed with frustration was likely the cause, but Isao didn't bother saying anything. Seemed like a natural gamer thing, like tossing a controller at the screen. People did that sometimes right? Though they probably could've used some time to step back from what they were doing, too.
"Actually, I came because I found the melon cream soda," Isao explained when asked. He lifted up his drink with a grin and nodded to the other. "And you sound like you could use a break. You don't want your fingers to fall off and run away or anything."