"Boogiepop and Others" is a psychological and supernatural manga series that intertwines multiple perspectives and timelines to explore themes of identity, human nature, and existential dread. The narrative centers around the urban legend of Boogiepop, a mysterious figure said to appear before people's deaths. The story begins with high school students Touka Miyashita and her boyfriend, Keiji Takeda, who notice strange occurrences in their town. Touka occasionally transforms into Boogiepop, a being who claims to protect the world from threats beyond human comprehension.

The plot unfolds through interconnected arcs, each focusing on different characters and their encounters with supernatural phenomena. One arc involves a series of murders linked to a mysterious drug called "Type S," which enhances human abilities but also triggers violent tendencies. Another arc introduces the Manticore, a creature that consumes human identities to survive, posing as a student while preying on others. The narrative also delves into the existence of the Towa Organization, a secretive group experimenting with artificial humans and psychic abilities, further complicating the web of events.

Key characters include Nagi Kirima, a fiercely independent girl who investigates the strange occurrences, and Masami Saotome, a manipulative individual connected to the Towa Organization. The series frequently shifts perspectives, revealing how seemingly unrelated events are interconnected. Boogiepop serves as a guardian figure, intervening when humanity faces existential threats, but remains enigmatic, leaving its true nature and motives ambiguous.

The manga blends psychological introspection with supernatural elements, creating a layered narrative that challenges perceptions of reality and morality. Its non-linear storytelling and focus on character psychology distinguish it within the genre, offering a thought-provoking exploration of human fears and desires.