“Night classes?” Mira asked, flipping through Clara’s school records. “There’s no record of any after-hours sessions.” The principal hesitated. “Because they weren’t official. She volunteered. Said it was for ‘special students’ who needed extra help.’” Mira frowned. “Who were they?” The principal’s eyes darted away. “No idea. She kept the list private.” Later, in the darkened classroom, Mira found faint chalk markings on the blackboard — half-erased equations and strange symbols that weren’t part of any known curriculum. Beneath them, scribbled in haste: “They remember even when we forget