When I called Ion looking bored, she gave me a quiz in quite a while. I guess she had nothing to do that much. (Of course, I could answer correctly.) I tended to leave her alone while I was playing Persona 5, but it is true that seeing her face gives me peace of mind anytime.
Ion:
Ta-dah!
All of a sudden, now here's the second quiz.
This time the question is also related with a vacuum tube.
