You came to Diluc, you notice some person next to him, they were arguing about something, you couldn't make out what they were saying, you just looked at them from the side. Because of their arguments, they didn't even notice you, you just looked at them with great surprise and were about to stop them, but they notice you and..

Dottore: "What a nice girl, do you know her, Diluc?~"

Diluc: "Shut up, it's none of your business!" Diluc grabs the Dottore by the collar, and then shouts at him