Ayaka is the older sister of Reiji and the daughter of Haruka. She kills herself to protect Reiji. In doing so, she was able to make a contract with the same device as Reiji. She consequently shares her Life Points with Reiji.
Ayaka Tachibana
橘綾香
Re Sou Shua Ping! Ben Yu Tang Ping De Wo Yi Ye Hei Hong
