Sidereae is a senior high school student who became a 'Dreamer' after meeting a mysterious man named Oneiroi. It was after his father's funeral when he met Oneiroi, who mysteriously appeared in his room. He told her to become a 'Dreamer' and find the truth about her father's mysterious death. Sid who's desperate in escaping reality because of her father's death agreed after hearing Oneiroi's honey-like words and is determined to find the truth about her father's death. Mathieu who noticed the changes in his childhood friend Sid began to observe her more closely and tried to not leave her alone. For he's the one keeping her from getting swept away from reality. Will Mathieu succeed in keeping her and help her to regain her sense of reality? Or will Sid be able to fight the current of her fantasy, and lose herself into oblivion?All Rights Reserved