Kae has been taken away and Kawaki must face a dangerous assassin. Himawari acts as his partner and provides support during the battle. They try to corner the enemy with coordinated attacks, but the enemy proves to be powerful. Meanwhile, their classmates, who had entrusted Kawaki and Himawari to directly confront the assassin, take action in a desire to try to help. Will Kawaki be able to save his precious friends and accomplish his mission?

I probably should've killed them
when I had the chance.
.كان ينبغي أن أقتلهم عندما أتيحت لي الفرصة
Ich hätte sie wohl lieber
ausschalten sollen.
Debería haberlos matado.
Debería haberlos matado.
avrei fatto meglio a ucciderli.
Eu deveria tê-los matado
quando tive a chance.
Наверное, надо было их прикончить.