Nanatsu no Hikan

In this mystery adventure game, a young man called Ippei has been given the key to the seven mansions his uncle wants to restore and turn into a resort. But these mansions were never fully explored and his uncle suspects a great treasure to be hiding somewhere on the premise, and Ippei is tasked to look into it. However, he is warned that there may be dangerous people lurking around. The game uses 3D graphics and a first-person perspective to let the player full explore the mansion up close. The...