Rui Tachibana

Rui Tachibana (橘 瑠衣, Tachibana Rui) is one of the main female protagonists of Domestic na Kanojo. She is the younger sister of Hina Tachibana, but soon after Tsukiko Tachibana (Rui's divorced mother) marries Akihito Fujii (Natsuo's father), Rui becomes Natsuo Fujii's step-sister. Rui is a...