Regina (long hair with oranye hair and gold eyes) is the half-sister of Eric (black hair and blac...

Regina (long hair with oranye hair and gold eyes) is the half-sister of Eric (black hair and black eyes), a nobleman of high social standing. Since childhood, they have had a strange relationship, neither close nor distant. Whenever Eric caused trouble, Regina would coldly criticize him. Their relationship remained that way until they were adults. One day, they were married politically, and their relationship changed, until they fell in love.