NFDM-425 I was made into a meat urinal in an apartment full of women ~I was called the urinal man~

When I moved into the apartment for my university life, I suddenly realized that all the residents except me were female. One day, the older sister who lived next door suddenly rushed into my room and asked me to use the toilet.When I was confused, she forced me down and used it as a toilet…From that time on, I used the toilet of every woman in the apartment. Maybe it was my destiny to become…