Akari and Shiro's Psychic Files

Akari, was plagued by a strange sleepiness that attacked day and night, and ghosts appearing in dreams. However, the evil spirits in the dreams gradually reveal their murderous intent and approach the light ...?

The masterpiece horror suspense series that the inspirational cat Shiro helps the light that attracts the spirit for some reason and leads to the clue of the case resolution.

source: mangaupdates