Yoshinobu Sena

Mio has long hidden her feelings for her childhood friend Arata. After an argument leaves their relationship uncertain, she sets out to reconcile with him but awakens in a mysterious version of Ikebukuro following an accident. Guided by unusual new companions, Mio searches for a way home while confronting the feelings and memories she has avoided.

While crowded in daytime, this London neighborhood has been haunted by a “vampire killer” for many nights. The protagonist wakes up in a residence, with a man calling himself "Holmes" and claiming to have entered the house chasing after a vampire. Unknowingly, the door of the residence has been locked from the outside...