Synopsis

The familiar scent of old paper and ink hung in the air, a comforting constant in the otherwise turbulent atmosphere of Class A. But today, a subtle tension vibrated beneath the surface, a discordant note in the usual hum of academic life. Yuuki, Rena's sister, had returned, and with her, an unsettling undercurrent of unspoken history. Rena met her with a thinly veiled hostility, each glance a spark of resentment. The easy camaraderie that once existed between them seemed fractured, replaced