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?

Hana Sensei! I want to talk to you more!
!هانا-سينسي! أريد الحديث إليك أكثر
Hana-sensei! Ich möchte
noch mehr mit Ihnen reden!
¡Quiero hablar más contigo,
maestra Hana!
¡Quiero hablar más contigo,
maestra Hana!
Maestra Hana!
Professora Hana,
quero conversar mais com você!
Учительница! 
Я хочу ещё разок с вами поговорить!