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.

Honoka Matsumotoas Mio Miyamasu (voice)
Toshiki Setoas Arata Kishimo (voice)
Saori Hayamias Kiku-chan (voice)
Yui Oguraas Madoka (voice)
Koichi Yamaderaas Gimon (voice)
Ikue Otanias Gimon (voice)
Mari Natsukias Mori Obaa-chan (voice)
Naoto Takenakaas Mogari (voice)
Anna Tsuchiyaas Orika (voice)
Nobuko Sendoas Sachi Miyamasu (voice)