Alien 9

In the unsettling world of Alien 9, middle schooler Yuri Ootani is forced to confront her greatest fear. Despite her terror of extraterrestrials, she is drafted into her school's Alien Party, a special team tasked with defending the campus from bizarre alien incursions.

Yuri is joined by the pragmatic Kumi Kawamura, who sees the duty as an escape from her class presidency, and the unnervingly competent Kasumi Tomine, a prodigy at neutralizing the strange threats. The anime masterfully blends elements of body horror and psychological drama into its school-life framework, exploring themes of facing fear, the loss of childhood innocence, and the trauma of forced responsibility.

As the trio battles increasingly disturbing creatures with the help of their symbiotic 'Borg' units, the line between protector and monster begins to blur, creating a uniquely tense and thought-provoking narrative.