Cute track and field ace Yui Tenma. Outwardly a bright and refreshing sporty beauty, she secretly harbors an extreme fetish for urinating in sacred places at school. It all began with an accidental wetting incident in kindergarten. In that moment, she felt pleasure, leading her to believe that "pissing in forbidden places feels the best," deepening her sexual obsession. Her daily routine now includes squirting out streams of urine in empty classrooms, while blackmailing men into drinking her holy water, bringing her to intense orgasms. This film reveals her perverted everyday life.