Super Urban Exchange System

*As a senior student he accidentally got the exchange system!
After completing all kinds of missions, he would obtained points, which allowed him to live his life at the peak of his life. 
What! The System Mission actually wanted me to get rid of my girlfriend? 
Rejecting or failing the mission would cause me to face a bloody catastrophe? 
No, no, no, I refuse to accept. I love my GF very much! 
What? Points can be exchanged for girls? 
Then Please show me the photos, I would like to exchange for a dozen girls for me!