Light Novel Invisible Man's Unusual Love NUXE Case file Kodansha Taiga

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A knife is flying. It's not an exaggeration, a metaphor, or a hallucination. Literally, the knife is floating in the air. It's about 1 meter and 60 centimeters high. The truth of the mysterious incident that occurred in the streets of local cities is revealed by the beautiful girl with silver hair, Otonomiya Miya. It was the invisible man who waited for her when she sneaked into the laboratory where secret experiments were conducted to investigate the knife incident? There is a crisis of life in the devices which block Miya's special ability, synesthesia in which color can be seen in sound and voice, and the devices which make it impossible to escape from the facilities. Is there any way to win over the invisible enemy?