HHKL-153 - "No! It's going in!" Breaking a promise with a very kind large-breasted older sister and performing bare skin penetration! The only virgin in school, wanting to graduate, consulted with his sister, who said, "I can't do it all the way, but if it's just rubbing..." and allowed bare skin, but... Honoka Airi

I was the only virgin in class, and I was worried and depressed, my grades dropped, and I refused to go to school! My very kind older sister noticed my abnormality and comforted me! She became my first erotic partner! At first, I moved my hips bare skin as told, but it felt so good that from the middle, I went for full piston strokes! Then it penetrated! I broke the promise of bare skin... But as a result, all the boys in the class jumped 10 levels to become experienced! ※This work is a selection from the already released "HUNTB-445" and includes one participant. Please be aware that the content may overlap with previously released works with multiple participants if you have already purchased them.