OFES-004 My older sister, a 0-point NEET, never leaves her room. After years of seclusion, she has developed enormous breasts and a huge butt! She trains through masturbation, preparing to compete with a real penis she's never seen before. My sister, as a sex partner, has already achieved a 120-point lewd body. Fujisawa Reiyu - Fujisawa Reio

●My younger sister had been living a reclusive life since high school. I went to university in Tokyo, and several years later, I returned to my parents' house for the first time. My sister said she was still as pampered as ever, a recluse. Curious about the sounds coming from her room, I peeked inside and found my sister, now with enormous breasts and a huge butt, masturbating!? Seeing my sister become a chubby, introverted NEET with a high sex drive, masturbating every day, I was incredibly excited! My sister invited me to have sex with her because I was as hard as…