Arknights - Amnesiac With Groupchat

Imagine waking up in an alleyway with a shady voice in your head, access to some sort of interdimensional group chat of weirdos, and amnesia. What could possibly go wrong? Notice: some characters will act in accordance to my interpretation of who they are, so it may differ from what you think. Don’t read if you don’t like it. Disclaimer: I don't own the ideas, characters and etc. All rights are reserved by the original creators. Only the idea of the story is original. Also, no romance!