Chapter 1.
A plain day in 1.2050 (explain the background of the era and describe the life of ordinary people in this era)

Chapter 2.
The hero and the heroine appear, they are lovers. The hero is annihilating and gradually becomes transparent, and the heroine can't grasp his body more and more. The hero passed away.

Chapter 3. 

After two years, the heroine goes to the Moon Memory Station to find the reason why her boyfriend died. The Advanced civilizations want to colonize the earth, they know everything but love. The female host communicates with the male host through hertz of brain waves, and only a few earth creatures possess this language skill. Advanced creatures are curious about this, and cracking this phenomenon became their first step in colonizing the earth.