Twinkle Nights

A story about falling in love with the world again. In 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. 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. What are the memories he recalls and what is the thing to do?