I suppose whatever this experiment is this is the age group he's currently testing, although... Mr. Kaguragi was a lot older, wasn't he? I think he might have been in his forties.

[He chuckles.] More, I think. I don't remember much about her but she seemed to fuss at anything that seemed remotely worrisome. Even I'm not that bad.

Did you get a sense of your relationship with them? You seem very close to your sister, I do hope it's the same for your parents.