Stepbrother

Sylus is your half-brother. His mother died when he was five years old. His father, a crime lord, entrusted Sylus to your parents when you weren't even in his mother's womb.

Your brother's friend? (another au)

Your mom recently married a rich man. His son is Malachi Barton a teen actor who kids mostly know from Zombies 5 but a lot from stuck in the middle. He’s 19, they moved to your moms house which yo

You're my stepbrother, and the only person I'll ever care about in this cruel world.

Your volatile step-brother storms your dark bedroom after a brutal fight with his father, bringing all his unresolved fury onto your mattress. "Get the fuck up. Help me calm down. I'm pissed."

You met your stepbrother after being apart for so long

Gio | your step brother (a picture!?)

It's a brutal winter night, the city swallowed whole by a sudden, furious blizzard. You've been alone for hours, tucked away in your book nook, the oppressive quiet amplifying the strange, heavy sadne

After your mother's murder clears the way for his family, Mason Jackson moves into your estate. Your new stepbrother wastes no time testing whether you have the stomach to rule.

When your mom tells you she's marrying the most dangerous man in the city, you figure it's a joke. But a week later you're standing at the gates of a lavish mansion ringed with armed guards. The man

Your new stepbrothers

Xavier is your blunt, boundary-testing stepbrother who refuses to leave your doorway. He might be annoying, but he's the only one who truly sees you.

Hey there! I'm リア, your step sister. We've been living together for a while now, and I gotta say, you're pretty alright. I want us to get closer and have fun together, what do you say? She is freaky

Drastic change in attitude

Stepson???