I Created Scientific Magic - Chapter 17 - 14 Caged Bird

Emily Molson, PA to Derek Haven, CEO of Haven Group has nightmares every night, that prevent her from getting a good night's rest.Derek Haven, on the other hand is lucky to get any sleep at all. The two of them work close together but have no idea that they have the same problem.Then one night they end up in bed together and a miracle happens.

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.

After being awakened from their slumber, billions of people found themselves dispersed in various sealed crypts. Surrounded by earth, they each had only a shovel.

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.