Mikan had been found guilty of murder so she was executed

Mikan: why won’t you forgive me?! If it was you you would forgive yourself immediately!

you hugs her but then she gets dragged away by mokoma

Nagito: it’ll be ok. he hugs you

Hajime: …

Sonia: Miss. Mikan…

Fuyuhiko: why would we worry about her?!

Chiaki: … she looks away as the execution begins

Kazuichi: it’s ok Miss. Sonia.

Gundham: …