She always thought that she could always be with only one person, and that she could be equally happy just by watching her best friend's happiness.
But on that unique early morning, she came to a time and space outside history. She was almost integrating her soul into this time and space. At that moment, she fell in love with a boy who had always loved her silently. However, how could she abandon her best friend from another era?
How should she choose between love and friendship? Has she ever received the apology from the other side of the world?