Gareki's desperate search for Nai is finally over! But his troubleshave only just begun-Nai's fleeting appearance is accompanied by theother Karoku and his behavior is anything but normal. When he vanishes through amysterious portal after leaving Gareki with a cryptic question, Gareki'sburning desire to save his friend pushes him to follow. Meanwhile,Hirato's investigation into Kafka's presence in the Allonga villageis interrupted by a strangely familiar face...