A demure schoolgirl peeks out from behind a tree as the classmate she has a crush on walks over to the drinking fountain. As soon as he’s done wetting his whistle and walks off, she runs over to take a swallow from the same tap. Overcome with the intimacy of the moment, she raises her hands to her cheeks, which are flushed with ecstasy
The first half of the story sounds like a scene from a sweet anime romance, while the second sounds like an excerpt from a much pervier series. It’s neither, though, but actually an advertisement reminding people about the importance of public utilities.