There are two main human sins from which all the others derive: impatience and indolence.

With Day 1 of the "thinking" test over, Ayanokoji is talking to Hirata and the others about a way to break out of the stalemate when he receives a message on his phone from an irritated Horikita. Meanwhile, noticing something strange about Karuizawa's behavior, he seeks information from Horikita, but...