Kamen Rider Ryuki

Sleep is Awakening (1x37)

:

Yui is attacked by a new Rider. The doctor tells Ren that Eri's sudden awakening is a coincidence. Shinji continues to find a way to seal the Mirror World. Eri leaves the Hospital and is nearly killed by a Monster. Eri learns that Ren was fighting Monster all the time as a Kamen Rider. Satoru works as a part-timer waiter at Atori tea house.