Katsuki is always angry.

Inori got rid of unnecessary clothes.

He was working on that project round the clock.

Due to his somnambulism, he may walk around unconsciously in the middle of the night.

He is working round the clock.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

His behavior was very comedic.

This summer was record-breaking heat.

His way of thinking is very philosophical.

He accidentally held her hand.