...What? You mean...You're talking about Sanae-san's case? Well, true, their personalities are-...and "those, who were not influenced by the incident, don't feel uneasy around those, who had their heads switched but didn't hear the sound and fall asleep".
Donn
I suppose, it's something like the sound of a mosquito, some people hear it, some don't.Yes, I'm talking about you.There are some issues concerning that sound. "Those, who have their heads switched, change their personalities after hearing the sound and falling asleep" phenomenon...Reisen Udongein Inaba.Even after that sound echoed around, you have always felt uneasiness towards us, have you not?They retained their personalities, just as me and Sakuya-san did.There's a certain reason why that sound didn't have it's effect, isn't?You have even talked with us about what kind of sound was that.