The protagonist's parents send him to an isolated island - Minase, to stay with relatives during the summer holidays. He had already been there only as a child; his cousins Suiren and Shion live there. Suiren was beautiful as a child, was very kind

Naoki overheard an awkward conversation in which he was being discussed, between his mother and neighbor Shiori. However, he is looking forward to the next five days. But since he lives with his mother, he is a little limited in his fantasies. He

After the hero's mother died due to illness, he moved to Tokyo at the request of his father. His home is the YAYOI Inn Pension (hotel), where Mireille lives and works, who looks after him. Three years have passed since his father left Tokyo without

You are a clockmaker, someone who can treat gears disease. Five years ago you left home after an argument with your father. Now, you have received a letter that reports about his death. After so long, when you got home, you discover that your dad