Reika Nishimura (anime)
Reika is a student at Azabu Technical College.
In the first season of the anime, she is shown to be a reincarnation of one of the Seven Great Youma, Rikoukeidar, and the carrier of the Blue Rainbow Crystal. As she is studying abroad in Africa, she and Motoki maintain a long-distance relationship.
Reika makes a slight cameo in episode 41, where she was captured by a brainwashed Prince Endymion while working in Africa. She is later set free after he is defeated by Sailor Mercury.
Sailor Moon SuperS
In the SuperS season, Reika reappears for the third and final time, now taking up horseback riding and finished her studies in Africa, Reika receives a scholarship to study again in England (for about 10 years) and it makes Motoki miserable. After Reika's dream is saved by the Senshi, Reika still goes abroad but reconciles with Motoki.