He rolls his eyes, facing away from Kotetsu. He most certainly is not always careful, but Toshi doesn't want to argue the point. He will just continue to be vigilant in his protection of his heroes. Kotetsu and Barnaby will protect all of Sternbild... or all of this Castle... and Toshi will protect them. That's how this works.

Toshi is caught off-guard with the display of encouraging affection, and the reassurance against exactly what he was most afraid of. You really are something incredible, aren't you Kotetsu? His face relaxes from it's initial surprise into total fondness. He never knew what he did to deserve Kotetsu's best effort, no matter how often he keeps getting it. Their old pattern of playful banter comes to the fore before he can stop it. "You better," he hopes it doesn't come across as too familiar. His eyes widen again for a moment and he stares at his feet.

"They are clearly unused." Which is for the best, in some respects. Toshi wouldn't want to commandeer a room that already belonged to someone. "This place is very strange." Did someone used to live here? Did it have a purpose and a family and a history? How would they even learn? Kotetsu had mentioned a library... with a big mean crocodile monster in it. Maybe not there, then.

"Shall I help you dust it? It is important to get proper sleep..." Fussy mombot strikes again. And shakes his head. "It can be rather tedious, truthfully. I am fascinated by sleep and dreams..."