Shigatsu no Majo no Heya

Short, charmingly illustrated novel that was originally available on TYPE-MOON's website for limited period of time as part of April Fools event.

Follows the story of a witch named April, that posses the power of turning lies to reality. Because of that, April confines herself to a small house - once a year however, she's permits herself to open its doors to any guest that would care to visit.