Occultic Nine

Occultic;Nine, despite the semicolon in the title and being from the same creators, the series is not part of the Science Adventure Series, but is instead part of its own universe (titled the Science Visual Novels Series) like the visual novel Anonymous;Code. It's an adaptation of the light novel and anime series of the same name, and the story follows the lives of nine individuals that are all connected to an occult blog ran by a NEET named Yūta Gamon. These nine individuals encounter many hardships and uncanny ghostly adventures on their way as they need to solve these "occultic phenomena" and mystical murders and try to rescue the city from impending doom.