I Caught My Husband Cheating with My Younger Half Sister – I Didn’t Scream, Just Invited Her Over the Next Day

Something in my tone must’ve told her not to argue. She hesitated, then sat back down—stiff, nervous, trying to smile.

The laptop screen glowed as the footage loaded. Mia stiffened, eyes darting from me to the screen like a deer sensing the edge of a trap.

At first, the video played without sound.

It showed our hallway, David, and Mia. The exact moment I had walked in the day before. They kissed like teenagers sneaking around after curfew, hands roaming like they didn’t have a shred of decency.

Then Mia’s voice filled the room from the speakers—flirty, juvenile, unmistakably hers.

Her voice echoed across the table.

She blinked hard, swallowed, and sat frozen with her tea cooling in front of her.

“You can explain if you want,” I said, folding my arms. “I’m listening.”

“I… Nina, I didn’t know the camera was on. I mean—”

“You didn’t know I’d catch you,” I corrected her.

She looked like she wanted to sink into the floor.

Her hands trembled against the ceramic cup as if it were the only thing anchoring her to the moment.

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