Thanks to the continuous support from players, Open at Nine will release a free official setup book and original music album on 5/17! The setup book contains 125 pages of full-color content, 11 characters from the game and beautiful artwork from all platforms will be presented in the setup book again, and the soundtrack also contains 8 original tracks from the original game, so those who love “Open at Nine” should not miss it! To celebrate this memorable moment, Black Cat Entertainment's game Open at Nine and the critically acclaimed Guardians of Enen will both be available at a special price on the day of release. Stay tuned! Black Cat Entertainment