Dimension Scavenger

Year 3993 of the Starry Sky Calendar --- Zou De, an 18 year old student attending a mid-high standard school, Crimson Nebula High School, sponsored by, of course, Crimson Nebula Sect. This adventure starts when Zou De is listening to a lecture of "The Anatomy of Insect Type Demons" when suddenly, he feels a sharp pain in his left eye...