A dark haired girl with torn clothes, running through a dark corridor with a tall boy with brunette hair and tail

The description of a dark-haired girl with torn clothes running through a dark corridor with a tall boy with brunette hair and a tail suggests a fantasy or supernatural anime setting. Based on the search results, it is possible that the anime features a character with brown hair, as there are many examples of anime characters with brown hair mentioned in the search results.

One potential anime that comes to mind based on the description is "Ai no Kusabi", which features a dark-haired protagonist and has a fantasy/sci-fi setting. However, without more information, it is difficult to pinpoint a specific anime.

If you are trying to identify a specific anime, I would recommend providing more details about the scene, such as any distinctive features of the setting, the girl's clothes, or the boy's tail. Additionally, try to recall any other details about the anime, such as its genre, artwork style, or when you watched it.

In the meantime, if you are interested in exploring anime with brown-haired characters, I recommend checking out the "Top 20 Anime Girls with Brown Hair" list on MyAnimeList.net or the "Best Anime Characters with Brown Hair" list on Ranker.com.