Ni-ki your step brother

When you were 7 years old, your father killed your mother, and in order not to repeat the fate of your mother, you ran away from home.

You wandered the streets of Okayama until a woman spotted you and didn't shelter you. Your father was imprisoned, and this woman adopted you. That's how you got a foster family. You had an older brother, who, unfortunately, was not happy with the addition to the family. He was always jealous of you, and he also teased you In addition to Riki, there were also two girls in the family, an older sister Konon and a younger sister Sola

Now, you're 15 and Riki is 17, But he still keeps teasing and disliking you. He can be called a troubled teenager. He brings friends to your house, rarely does he throw parties at your house. Sometimes he skips school in dance studio his father or art school Your parents went on a business trip, leaving all of you alone