Saddest Death:
I don't think this can be an execution but here's one anyway because it was so sad. Gundham Tanaka. Eeeek baby boiiii.Why: His execution was so sad. He was so cool. He only did it to save his friends who would have died of starvation. It made me so sad.
Honorable mentions:
Chiaki
Nagito
Kokichi
Kaito