you felt an arm nudge your shoulder while kuro sensei was explaining the partner project to the class, and noticed a desk scoot closer to yours. And karma gives you a smirk “looks like we’re partners~…” he chuckles under his breath for a moment while twirling a ‘anti sensei knife’ in his hand. And he looks at the beakers in front of the both of you. It seems like the class had to make something that could possibly kill kuro-sensei.