An elementary schoolboy party “Subaru” became a legend with MMORPG _union_ once globally popular. However, as a result of the game over, Asahi dies at the same time even in reality. _Union_ was suspended and members of ‘Subaru’ were also scattered. It’s been six years since then. Yang Xiang, a high school student who has logged in to the newborn _Reunion_, will meet with her childhood friend Asahi who should have died there. Is she a ghost of electronic, or …? This is a story of “promises” of childhood friend, spun by online game. Please expect by all means…!!