Last man on earth when there is no earth?

Prologue.

Sector ????

“Excuse me, my lord." A voice spoke hesitantly, disturbing the silence of the dimly lit room.

“… Sigh… don’t you know not to bother me in my private time?” Seeing the communication window appearing, he stood up. 

Behind him he left three females on a bed, their eyes closed, their bodies covered in sweat. The call came at the right moment giving them a chance to catch their breath, but even though they were glad they were allowed a bit of rest, in their hearts they all begged him to come back.

“I apologize f-"

“What do you want?” He