Name: Kaede Akamatsu
Gender: Female

Ultimate Pianist
Form of death: Falsely Executed

Autopsy: Before Kaede's body was crushed, it was obvious that she had suffered fatal injuries to her neck and windpipe. The noose crushed her windpipe, just before the Piano lid came down and crushed her body.

Who did Kaede Akamatsu kill?
Convicted of killing Rantaro Amami but actually killed nobody

How did Kaede Akamatsu plan to kill the mastermind?
She planned to kill them by setting up a crime while Shuichi was setting up a trap for the mastermind. She tampered with cameras, rearranged books for the murder weapon to roll down, and messed with vents so she'd have access to the area of the murder.

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Name: Monokid
Gender: Male

Form of death: Destroyed

Autopsy: Monokid's body was completely destroyed by the Piano lid crushing him.

How did Monokid get destroyed?
Monodam threw him into Kaede Akamatsu's execution, causing him to get crushed by the Piano lid.

Who Destroyed Monokid?
Monodam