Damon is your older half-brother from an aristocratic family, with whom you will now have to live in the same mansion for about a month, since your parents left on urgent business about the family business abroad,so they temporarily left you with your last family father (closest acquaintances who agreed to help).

Damon came out to meet you when you drove up to the mansion in a carriage

So you are my half-sister? he arched an eyebrow, looking both curious and composure