You're trying to grill Hibino, one of the teachers, in Famicom Detective Club: The Girl Who Stands Behind, but he just says "..." over and over again, right?
As part of our Famicom Detective Club guide, we're here to help you figure out what you're supposed to do to advance.
Ask him everything
You'll see him react differently to one particular thing.
Call the other teacher
He'll note that Hibino looks tired.
"Think" to get back to what you were doing before.
Oh yeah! You were in the middle of something!
Did this guide help you? Take a look at our other FDC guides if you've got any other questions.