Super Check-in System: Beginning of the movie ‘The Grudge’ - LightNovelPub Learn more Chen Lu gets a mysterious and unpredictable Check-In System! Go to [ the own bathroom] to Check-in, reward One thousand dollars! Go to [the apartment rooftop] and Check-in, Reward Powerful fighting skill! More Check-ins, more rewards! Just when Chen Lu thought he was about to become a millionaire, marry a rich woman and enjoy his life lazily, the Official... Learn more