Natsu is a little sister who loves her big brother. Natsu wants to have some fun and sex with her big brother, so she decides to make him fall in love with her sexy cosplay costumes! Natsu's shrine maiden costume, bear costume, kung fu costume, kimono costume, and more are all so Ke'ai that he can't stop getting an erection! Natsu is so excited that her pussy is dripping wet and she squeezes his dick and won't let go!