I'm in Love with the Hitachiin Twins

Hitachiin Hikaru and Hitachiin Kaoru are close twins. The rich young man has a face like an angel, but he has a devil's heart. When I was six years old, my mother brought in a beautiful little girl who looked like a doll. She was the little princess of the Nangong family next door. From now on, she would study with the two of her. She is beautiful and quiet, like Kaguya who accidentally fell into the world, and she suddenly came into the twins' sight. The Demon Twins had a new toy. They teased her, laughed at her, but unknowingly began to take care of her again. Gradually, love surges up and becomes entangled. Love is a curse that runs through the three of us. Concept: Love is an unforgettable curse