Frankly, Riku would kinda understand if Sora wanted to be alone right now. Riku wouldn't LIKE it, but he'd understand.
So he was a little surprised when Sora held out the leash to him, clearly inviting him alone. Riku took it from Sora without hesitation and quickly put on his shoes, claiming Sora's hand before he opened the door.
"We're going out for a bit," Riku called over his shoulder. If his parents didn't hear him, at least one of the maids would.