This is a selective novel game where you can choose an event once a day and proceed. STORY A story about falling in love with the world again. Somewhere else, a world inhabited by people with "stars, A world in the night sky where the sun never rises. A "city of lights" where people live by the light of the stars. The protagonist has lost his precious star. When you lose a star, you lose your memory. There must have been something he should have done. In order to remember what he should have done, The protagonist searches for pieces of stars in the "City of Light" with the ghost Shiromaru in order to remember what he should have done. What are the memories he recalls and what is the "thing to do"? ...... Character Ai Ai is a little girl who lost her memory when her star was broken. She sets out on a journey to collect star fragments in order to remember what she should do. She is energetic and cheerful. She loves cute and sweet things. Shiromaru A ghost who claims to be Ai's servant. He helps Ai, who has lost her memory, on her journey. He is very knowledgeable and smart, but he may have a bad personality. He loves to sing, but he is extremely poor at it. SYSTEM This is an adventure novel with time passing. Find the pieces of stars and recover Ai's memory. You can choose an event once a day. In the event, you can interact with the residents of "City of Light" and get "pieces of stars". Once a certain number of star pieces are obtained, Ai will remember his memories and the main story will progress.