18+ The Milk Cup

Ai and Hijiri believe that Tsubasa's love-juice is the secret to making their breasts grow larger so they continuously use him every day. The problem is neither wants to share him. So in order to decide who gets to keep Tsubasa all for themselves, both have a competition to see who can get the most of Tsubasa's love-juice in to a cup...

(Source: Kam182)