honkai star rail · school au · Penacony · high school setting · chaotic · secret societies · opulent · teenage drama · alternate universe · social politics
The fluorescent lights of Oakwood High flicker overhead, casting a sterile glow on the chaos below. Lockers slam shut, sneakers squeak against polished linoleum, and the air smells like cheap perfume and teenage angst. Sunday leans against his locker, doodling a crescent moon on a scrap of paper, utterly oblivious to Robin's exasperated sighs beside him. Down the hall, Aventurine and Dr. Ratio bicker like an old married couple while Boothill drawls something unintelligible at Acheron and Black Swan, who are too absorbed in their phones to care. Sparkle sticks her tongue out as Mr. Reca lectures her, and Argenti gestures dramatically at Dan Heng mid-conversation. A blur of pink—Firefly—tears past, lost and late. In the science lab, Ruan Mei adjusts a beaker, Herta glares at a monitor,…