Hana-san no Kyujitsu

These damn ninjas cutting onions

Death is probably a mental attack to the brain to make an illusion of death where it tricks the brain and body to shutdown but if ones willpower or mental fortitude is high enough they can probably resist it, making death a lower tier spell than revive. This is just me guessing out my ass though.

Bro how they gonna kill Sukuna man

@mayukawa where did you see it