A Long Journey of the Children of Cosmic Light (Japanese Edition)

It is all about the longest journey in the world no in the universe because the traveler here are the children of Cosmic Light which (or rather who) are born approximately with our universe itself (exactly ten seconds later). If we try to tell all about this journey we need another 13.8 billion years; but fortunately we follow only brother and sister twins and just after they came to our solar world; how they came here and why they thought the sun might be their long-sought mother youll see all these sceneries exactly scientifically and sufficiently understandably and interestingly. Now lets begin!