"To put it simply, don't be fooled by Yukino, Utaha, and the others wearing each other's faces. Deep down—at the DNA level—they were still themselves. If even the DNA that made up their bodies became someone else's, then..."
"Wait a second..." Before Sogo Doma could finish, Yukinoshita Haruno couldn't help saying, "Didn't you say it would be fine if they'd just switched consciousnesses?"
"I did say that, but can you guarantee that another consciousness won't emerge in their newly formed bodies?"
"Hmm?"
"No one knows what consciousness comes from, even now. What if new consciousnesses emerged after Yukino and the others' bodies transformed? Even if that didn't happen, there would still be new problems!"
"What problems?"
"The Ship of Theseus paradox. If a ship breaks down and its parts are removed and replaced with new ones, then after every part has been replaced, is it still the original ship? If those broken parts are used to build a new ship, is that ship the original one?"
Yukinoshita Haruno: "..."
A supernatural problem had somehow turned into a philosophical one.
"So, what can we do?" she hesitated.
"Maintain the original ship. That's also why I didn't hide the changes in their bodies from them. If other people—even they themselves—believed they had become the other person, then the problem would become serious. That's why I kept the Wicked Eye user around. She saw at a glance that Yukinoshita wasn't Yukinoshita!"
"..." Yukinoshita Haruno was actually left speechless.
"Heh, heh..." Rikka Takanashi was fired up. "Before these eyes of mine, all falsehoods are nothing but falsehoods!"
Everyone: "..."
They really didn't understand chuunibyou patients.
Putting that aside, Sogo Doma had said that the best way to deal with Puberty Syndrome was to keep everything as normal as possible. Thus, Muse began training, with