Black Knight by Rina Kent

Love is impossible. Hate is an open game.

Kimberly

He was once my best friend, now he's my worst enemy.

Xander Knight is heartbreakingly beautiful.

Ridiculously popular.

Brutally cruel.

He's a knight but won't do any saving.

Xander

We started as a dream, now we're a nightmare.

Kimberly Reed is pathetically fake.

Terribly innocent.

Secretly black.

She can hide but never from me.

Black Knight is part of Royal Elite Series but could be read on its own. For better understanding of the world, you might want to read the previous books first. This is a high school bully romance, mature new adult, and contains visceral mental health situations that some readers can find triggering.