Kimizuka is approached by Nagisa Natsunagi, a girl with a yearning seemingly inspired by the heart she received in a transplant. When Kimizuka asks Fuubi for help, she takes them to meet an unexpected someone who provides surprising information.
What happened one year ago?
ماذا حدث قبل سنة؟
Ist damals etwas passiert?
¿Qué pasó hace un año?
Il s’est passé quelque chose ?
O que aconteceu um ano atrás?