The official hololive production subreddit! However, it's more commonly used as a greeting.
We specialize in songs and music, but more often than not, will just stream games or chat with our fans! If you're speaking with someone who is older than you, or holds some position of authority, you want to use the formal pronoun usted when wishing them a good night.
You can complete the translation of ¡buenas noches! And I had no clue this little shitpost of mine would get this much attention.