Professor Layton and the Turnabout of the Golden Witch

A crossover between the Umineko no Naku Koro ni/Professor Layton series, Professor Layton and the Turnabout of the Golden Witch is meant to serve as a hypothetical ninth entry in the Umineko series. You play as Professor Layton, who gets taken to the world of witches and fantasy to prove the events that took place on Rokkenjima in 1986 belonged to the world of mystery and reality.