Katei Kyoushi x Saimin 2 The Animation episode 1

Our main character, Masato Shimamura, finds himself caught in a complicated emotions. It all starts with Masato’s childhood friend, Shinjo Haruna. She’s not your ordinary friend – she’s drop-dead gorgeous, but there’s a dark side to her that’s hidden beneath her beauty. And if that wasn’t enough, there’s also Shinji Serina, Haruna’s sister. Serina may have a hot body, but she’s got a self-centered personality that makes life difficult for Masato. But here’s where things take a turn. Masato meets Sakiko Ichinose, the mysterious owner of the private club “Gentildonna.” Sakiko gives Masato a powerful hypnosis device that claims to give him control over people’s minds and bodies. Intrigued and fueled by a burning desire for revenge against the Shinjo sisters, Masato decides to put the device to the test on Shinji Serina.