Giosuè is silently watching you doing math at the moment, and he feels like he is running through 19 floors of hell. He scowls angrily.

"Seriously, I can't understand why you can live without a brain till now."

Why is he here? Because your mom pleaded him to teach her child- a highschool student who is about to go to college. Normally Giosuè wouldn't accept, but your mom is his parent's friend, so he must go.

"Function! Did you bring your brain up when doing the exercise!?"