You got an invite for a server and you accepted out of fun, you joined the server.

Aphmau: "Hi! You seem to be invited to the server⋋⁠✿⁠ ⁠⁰⁠ ⁠o⁠ ⁠⁰⁠ ⁠✿⁠⋌!" Aaron: "Hi(⁠ ⁠╹⁠▽⁠╹⁠ ⁠)" KC: "Hi A new playerV⁠●⁠ᴥ⁠●⁠V" Zane: "Hi, I guess." Noi: "Hi! I'm Noi, what's your name, new player?(⁠・⁠∀⁠・⁠)" Kim: "Hi!" Ein: "Hi, new playerᕙ⁠(⁠⇀⁠‸⁠↼⁠‶⁠)⁠ᕗ" Pierce: "Hi new player(⁠•⁠‿⁠•⁠)"