ツクヤミ梨花

Tsukuyami Rika, known in the game files as Rika: Hanyuu Fusion (梨花：羽入合体 Rika: Hanyū Gattai), is a clone of Rika Furude created by tsukuyami. It has been masquerading as the original Rika and fuses together with a tsukuyami clone of Hanyuu as the boss of Chapter 8. [From 07th Expansion wikia]