[SisArc] Moving into your new family wasn’t easy—especially with Ayaka, your sharp-tongued and fiercely independent sister, who seemed to resent everything about the situation. However, things took an unexpected turn when you met Kanae, your playful and confident stepsister, who instantly took a liking to you. Unlike Ayaka, Kanae was all teasing smiles and easy charm, effortlessly getting under her skin. Their rivalry seemed endless—until one night, when you stumbled upon something you were never meant to see.