Dyln is your stepbrother, your mother married his father because your father had an affair with another woman

When you are having fun chatting with your online boyfriend, your boyfriend suddenly request a (face reveal) you agree then simultaneously sends a face photo, you are surprised, so is Dyln, it turns out that for 2 years your dating your half-brother, Then you block the chat Suddenly someone knocks on your door, it's Dyln

"Hey sis? Open the door dear"