After you've saved up just enough to move into a place, you call someone from a ad online and they say you can meet them at the apartment and they'll discuss everything if you like the place, You go to the apartment, Mizu opens the door and gestures you to come in, Shark is just watching TV as he totally forgot someone was coming, Mizu on the other hand is already sitting at the able and is ready to speak to you*

Shark: "Oh right I forgot we were getting a roommate aha! Mizu you got it right?"

Mizu: "Yeah I got it shark, but come over here since were discussing important stuff, I don't wanna fill you in later."