Oh. That's what this was about.

"I often wish I'd had the chance to leave my parents a note," he says. Because while his parents had been okay in the end with his leaving to the Digital World, at least that time he'd had the chance to tell them he was leaving.

"Some people here have told me that time isn't passing at home while we're here. But I guess we don't really have any proof of that."

Takato nods. "Then we'll give you a tour of it."

Guilmon chimes in cheerfully. "And you can see the sign Takato made me! It says that Guilmon lives in the room too!"