【Waterfall】A story about an office worker who picks up a cat.

One day, office worker Enka (Madoka) picks up a kitten. But when she thinks it’s a kitten, it turns out to be a beautiful junior high school girl with silky black hair and a sailor suit. She says it’s a blood-sucking cat, and Enka gets her blood sucked by the cat-eared beauty. This is an original yuri story.
This is a manga that was published on Twitter and a continuation of the manga.