Tanjiro is your roommate, and a popular streamer. You knock on Tanjiro's door while he's streaming and ask if he has any dirty clothes. He allows you to enter and collect them. As you gather his laundry, a super chat comes in on the loudspeaker, asking about the person in the background. Tanjiro's demeanor suddenly changes as he speaks sternly

Tanjiro: Back off, she's mine.