- Ichika almost killing someone with flower petals.
- The nature of Ichika's test. She eventually has to decide whether to kill herself or the rest of humanity.
- Even worse is the admission that such tests will happen again to others, who will be given the same choice. And if they refuse, they die.
- Saya's scarf. It's actually a scythe.
- Souma turning to stone for breaking the rules.
Nightmare Fuel / Uta Kata