"..Huh?" Aria raised an eyebrow.
Considering the doctor's personality, he was very proud of his creations and the fact that he harbored a lot of creatures inside himself. He loved to boast about the fact that he was a monster.
Surely, such a mistake shouldn't happen?
"I know what you're thinking. I also thought the same way at first, but my.. company told me that he himself might've forgotten that he incorporated this part." He answered. "Only, they also told me that these two remaining creatures are both detrimental to him."
"Detrimental.."
"Yes, they don't add any good features to him." The man added. "That's all I know."
"Okay. That's good enough, I suppose." Aria scratched her head.
'If his helpers couldn't even find it, then I have to think out of the box.'
Something unexpected. Something crazy.
He said that the doctor himself forgot about it. How could that be?
What does a mad doctor like him want to forget?