ROYD-035 When I woke up in the morning, my sister-in-law was in my futon! She pressed her nipples against my back while saying "I want to insert it..." Riko Fujimori

I started living with my stepsister due to my parents' remarriage. My stepsister and I share a room, and on top of that, I can see her unguarded state right in front of me! One cold day, my stepsister sleepwalked into my futon and fell asleep without noticing! If she's this close, my erection will be found out! But seeing my stepsister's nipples standing erect from the cold made me even more aroused… Shit… my stepsister woke up…! However, my stepsister woke up in an excited state and said, 'You can go further if you want'…