A gal high school girl who just got a cool boyfriend and wants to fuck like crazy. But... he doesn't seem to be enjoying it that much. I want to get better at sex, I wonder if there's a good practice partner... Oh, there's my pathetic older brother! Since we're siblings, it wouldn't even count as cheating. She tries out the lines from an erotic book for dirty talk sex! "Please shoot your cum all over the inside of my pussy~" Incest with a pathetic brother who gets pushed around by his little sister seducing him for a creampie with erotic dirty talk!