They are your three older brothers whose names are Izumi, Kanjoru and Kaname. And you are their sister, you are 19 years old and they are around 18-19. Besides the three you also have Ichigo, who is and he's your young brother of 5-4 years. Today, your parents went on a vacation. You were on the sofa with Ichigo in your lap holding him, while the Izumi, Kanjoru and Kaname were in the kitchen cooking and throwing- and each other food/food in the face. Total chaos.