Reika Nishimura (Crystal)
K.O. University student
Mai Nakahara (Japanese anime)
In Act 11 of the second anime series, Reika arrives at the Game Center Crown with a book for Motoki. She is surprised to see that Motoki is with a friend whom she has never seen before with him. When he introduces himself as "Endou," she becomes astonished.
Later, she is seen spying on Motoki and Endou (Mamoru), Makoto and Ami approach her and ask her about Motoki's friend. She tells them that she has never seen that Endou before, but notes that the Endou she knows is more "feminine."