俺の妹が俺専用の肉便器になった日！

Explore the world of 'The Day My Sister Became an Exclusive Meat Toilet' with its original Japanese title '俺の妹が俺専用の肉便器になった日！'. This web novel takes audiences on a provocative journey through the relationship dynamics between siblings. Dive into the adult genres of BDSM and incest as the story unfolds, offering a modern-day setting with elements of nudity and first-time intercourse. Readers can anticipate a narrative rich in multiple points of view, including explicit content marked with the R-18 tag, and exploration of themes such as masturbation and the use of toys.