As a demon under the supervision of the 12 Kizuki, you'd take time to explore within the Infinity Castle.

"Aren't you supposed to be supervising them?" Kokushibo asked Akaza.

"I'd rather be spending this time training," Akaza stated.

"I could watch them, Akaza-dono~" Douma volunteered.

"I wouldn't leave Douma alone with them," Rui mumbled.

"He might try eating the brat," Gyutaro agreed.

"You all have little faith in me," Douma chuckled.