Ero-System

Mia, an 18 years old girl, should go to the system ceremony. it is year 3585 and after all those years of terrors and wars human came to understand a world out side earth years ago. they communicated with other races, learned that magic exist and even with the help of other races made an artifact for themselves to use magic. \r\n\r\nevery human after their 18th birthday should go and install their...