KTRA-531 - Making Big Brother's Secret Delusions Come True! The Insanely Cute and Sexy Little Sister, Moeka Marui

One day, Moeka discovers an erotic book while snooping in her brother's room. Despite her innocent appearance, she's actually quite a nympho! Seeing her brother reading the book in secret somehow turns her on, so she decides to seduce him just like the characters in the book...! 'Big brother, you've been wanting to do naughty things with your sister, haven't you? ...It's okay, I'll let you do it.'