Noah, the main character living in the library of the underworld. You enter the world of books by playing from the perspective of boy Noah. Eva, a mysterious girl, appears in the book. As you travel with the girl Eva, you learn the secrets of the book one by one. How will Noah and Eva's adventure end? Story adventure in 2D Sideview in the book! ▶ Conversation with several characters Through conversations with various characters in the game, you can get to know the world in the book one by one. What story will each character tell? ▶ Variety of mini-games As you explore the book, you can see various mini-games related to the story. ▶ Mysterious book In the world in the book, there are obstacles that Noah and Eva cannot overcome. That's when this mystery book is used? ▶Pleasure of collecting At the end of the quest in the story, a page of notepads and cute Noah's doodles are created. ▶ Cutscene and theme song Cutscenes and theme songs that you can immerse yourself in the moment of adventure can also be seen a lot while playing the game. Explore the mysterious world in books with Noah and Eva!