Masato’s Mischief with Enchanted Devices Unleashed
Masato seeks revenge on the Shinjo sisters using a mysterious device. He tricks Hina into wearing a choker linked to the device, which makes her voice the opposite of her desires, turning her into a puppet for Masato’s whims. When Serina arrives and activates the device, she too falls under Masato’s influence. Together, Hina and Serina begin to explore the newfound sensations of submission, leading them down an unexpected path of discovery.