Katsumi's eyebrows rose slightly. Was Tatsuya actually waiting for him to do something instead of running on ahead?

"What happened?" he blurted, unsure if he meant what happened that day or just in general. He knew the basics of what had happened to his parents, his aunt and uncle had never hidden it from him, but he didn't know anything concrete. And even now he still didn't know why they'd been separated in the first place.