Higurashi: When They Cry Rei

Rika suddenly finds herself in a "perfect" world, the constant cycle of brutal killings having never taken place, where all of her friends are content and satisfied. Not wanting to abandon the world that she fought so hard for, she learns she must destroy an essential "key" to get back. But can Rika abandon the faultless world she is given the chance to live in, after all of her battles have brought her this far?