Licking my anus, my father-in-law's twisted sexual education, Yuuhi Shitara - Shitara Yuuhi

Yuuhi Shitara is a young woman who has just become part of a new family as her mother marries her father-in-law. Her father-in-law takes a twisted interest in her, providing a perverse form of 'sexual education'. He engages in anal play with her, which becomes the central focus of their disturbing relationship. This involves explicit acts including anal licking, as hinted at by the title, showcasing a dark and taboo theme of incestuous desires.