A shared house is a popular housing style that allows for comfortable living at relatively low rent by sharing common areas such as the kitchen, bathroom, and toilet. With people from diverse backgrounds living together, it often leads to stimulating encounters and experiences. However, such arrangements also carry undeniable risks, including misuse of shared spaces, hidden camera setups, and violations of privacy. This work features carefully selected footage of roommates secretly masturbating in the toilet. The unexpected scenes hidden within everyday life offer a surprising new discovery.