["Twenty or twenty five years ago." Yep, that's pretty old!

But that's hardly the concerning thing here. The teacher idea occurs to him too, but nothing about Keita's outfit screams "teacher" (nor, of course, is he painted blue to look like an alien invader.) He's just here to observe, he says. Which causes Hiyori to look at him in unflattering disbelief for several long moments.]

....... er.

[He stares. Blankly.

Did Rinne's middle-aged husband just confess that he wants to watch schoolgirls mate with aliens? That's what he's into? If so, Hiyori would've been happier not knowing! And why does he sound so cheerful about it??

Then the truth hits him (or what he hopes is the truth, anyway).]

... that's right!

[He smacks his hands together as he figures it out!]

You said "moving pictures"! Those were after your time, so you want to research those! Correct?