Sheena is an ordinary person living on earth. During her childhood,she had a bestfriend,Francis. But when they reach age 12,Francis suffered from an accident and he lost somewhere in the forest. His loved ones searched for him but there's no Francis found. Until A spaceship landed on Fenescjian Valley where sheena live. After a very long time,Francis show up but when sheena approached him,he didn't recognize her. All the memories are faded. What happened to Francis? How can he not recognized the only person he loved?