11eyes 2009

Overview

Topic: Television series "11eyes" (2009).
Role: Meticulous television and film archivist.
Constraint 1: Write ONLY verifiable facts from provided SYNOPSIS and SOURCES.
Constraint 2: No invention/guessing (titles, names, dates, etc.).
Constraint 3: Original, neutral, encyclopedic prose in plain text.
Constraint 4: No markdown, no asterisks, no headings, no bullet points.
Constraint 5: Word count 150-190 words.
Constraint 6: First sentence must not contain spoilers.
Title: 11eyes.
Year: 2009.
Genres: Action & Adventure, Animation, Sci-Fi & Fantasy.
Protagonist: Satsuki Kakeru (also referred to as Kakeru Satsuki in Source 3).
Plot: Satsuki Kakeru lost his sister by suicide (Source 1/2) or witnessed her suicide seven years ago and ended up at an orphanage (Source 3). He has been living a dull life.
Event: He is transported into a bizarre world called "Red Night" along with his friend Minase Yuka.
Conflict: To survive and escape Red Night, he fights against Dark Spirits (Ralva) and Black Nights.
Setting/Status: He is now in high school (Source 3).
Sentence 1 (No spoilers): 11eyes is a 2009 television series categorized under the genres of action and adventure, animation, and