What if you found out you're getting a new mommy? Maybe you'd be happy-if that's what it takes for your father's happiness, but what if there's a bonus? Not just a new mom... but new brothers too. And not just any brothers-these are hot, handsome, ladies' favorites, and, worst of all, total perverts! Could you survive living under one roof with them?, and what if, slowly but surely, they start uncovering the secret you're desperate to hide? This is the story of a girl who guards a secret that could change everything. Welcome to Our Sister's Secret.

[WATTYS 2016 WINNER] BOOK 2 OF IMPROBUS ILLE IMPERIUM "Ang mundong iyong kinalakihan hindi mo pa nakikilala ng lubusan. Bawat ngiti katumbas ay kasinungalingan, bawat kilos may bahid ng kasamaan. Sa mundong ito sino ang paniniwalaan mo? Sino ang tunay na kakampi mo? At higit sa lahat sino ang tunay na nag-sinungaling sa'yo?"

She's beautiful; she looks like an angel, but she's brave, merciless, heartless, and a total demon. She wants to see blood, and she has crimson eyes. Everyone is scared of her. what she will do if she meet the people that she want to see? And what will she do if she knows the reason behind her true identity? What will she do if she also meets the person who will give her the true meaning of love?