One day the university student protagonist had a strange dream. Somewhere she heard a voice. Somewhere she saw a face. She started feeling a twinge of a subconscious memory. A soundless voice led her to a hill of of cherry trees... Then a door of time opened. The protagonist had waited to arrive at the world she caught a glimpse of in that dream... She met Heavenly beings and Earthly beings, as well as existences that were in-between. Were the meetings coincidence, or fate? Why am I here? Those questions piled up in her mind the more she connected with these men. Heaven, Earth, People... Various hidden feelings and unsent thoughts caused a war to start. In order to get closer to the feelings of the people she believed in, the protagonist got caught up in the fighting. The thing that could be found at the end of the fight were the answers to those questions. As well as... A variety of ways of love are depicted in this old style romance tale mixed with a fantastical tale of the gods. This story will softly ignite your heart. Who will you walk with past the door of time? [Translated from the official site]