"How Bright is the Brightest Star?" The Brightest Star seen from Earth is Sirius in the Canis Major Constellation. Sirius or Dog Star is 8.64 light years away from Earth. Sirius Sebastien is a young lady who working as an Apprentice at Strategy Department on Sirius Corporation. She's busy developing her own work game and finding the secret of her birth. But After an accident and being comatouse two years ago, Sirius starts to dream a stranged dreams every night. She don't know what it means and why she kept dreaming it, until she meet a woman telling her that her time is coming. She even witness a gruesome event, Because of that event, She find herself involved to them and discover that the secret behind her birth and her dreams are connected to the Mysterious World. How can Sirius accept her fate?

Rain Reagan, A simple and an ordinary girl. She's Boyish type of girl. Hiro Ashton, Rain Best Friend, kind and caring. They work together, Until Hiro knows Rain is in Love with him. How Hiro will react about this?