Responses
Possibly Tariga Bergatt.
The one with scar is Tsuruba Bergatt. They appeared starting Chapter 75
http://www.mangago.zone/read-manga/akagami_no_shirayukihime/mh/b26824f37ac97d30/Ch75/pg-6/?av=2
Btw does anybody know the name of the guy who opened the door for Obi at Bergatt residents? Both of them seem to know each other.. I think I fell in love at first sight when I saw him