Evidence reveals Sayaka initiated the room swap to lure a victim into her room, intending to frame Makoto for the murder to ensure her own escape. The Culprit Revealed

As his guilt becomes undeniable, Leon breaks down in a violent rage, screaming denials before ultimately admitting he killed her in self-defense after Sayaka attacked him first.

The tide turns against , the Ultimate Baseball Star, through several critical pieces of evidence:

Only the girls' bathrooms have locks. Kyoko points out that the killer had to dismantle the doorknob with a toolkit to reach Sayaka, something Makoto wouldn't have needed to do in his own room.

Monokuma carries out the first "Punishment," titled Leon is strapped to a pole and pelted by a high-speed pitching machine firing thousands of baseballs until he is killed. Aftermath and Epilogue

Sayaka’s dying message written in blood on the wall. When viewed upside down, the numbers spell "LEON".