Deretsun Onee-chan's naughty lessons ～ I'm bullying you because I love you, you know?～

Shintarou has a older sister, Minaki, she is gentle, smart, and pretty. She is the most popular girl at the school they both attend. - However, that is only the face Minaki shows at school, at home she enjoys teasing Shintarou a lot. - One day while Shintarou is watching a S&M Adult Video he received from a friend, he is caught by Minaki. - So you like this kind of thing Shintarou-chan, Onee-chan will make you feel good, says Minaki. - Shintarou learns firsthand that his beloved Onee-chan enjoys doing more than just teasing. She is a complete S.​