I'm not familiar with a specific AI少女 (AI Shōjo) BGM (background music) without more context、However, I can try to help you identify the music or provide information on how to find it.

AI少女 is a Chinese animestyle eroge (erotic game) developed by Guangzhou Shiyun、If you're looking for the BGM from this game, I can suggest a few options:

1、Check the game's official website or social media: Sometimes, game developers release soundtracks or music tracks separately、You can try searching for the game's official website, social media, or forums to see if they've shared any music tracks.
2、Music streaming platforms: Look for the game's soundtrack on music streaming platforms like Spotify, Apple Music, or bilibili (a popular Chinese music streaming platform)、You can search for AI少女 OST (original soundtrack) or AI少女 BGM to see if any results come up.
3、Game soundtracks databases: Websites like VGMdb (Video Game Music Database), Discogs, or MusicBrainz might have information on the game's soundtrack, including track listings and composers.
4、YouTube or Bilibili: Search for AI少女 BGM or AI少女 soundtrack on YouTube or Bilibili、You might find fanmade uploads or official music videos.

If you have any more specific information about the BGM you're looking for (e.g., a song title, composer, or a scene from the game), I'd be happy to try and help you further!