Hentai plus mathematics equals fun to play game where you could not only to enjoy the view of sexy anime chicks having kinky funtime but also to keep your own brain in a good shape. The main idea of the game is that you will need to quickly solve math task and to type in the reaction prior to the time limit will run out. If your reaction is correct the you will get on the next level and unlock one more amazing artwork from in-game gallery! But if your reaction will happen to be incorrect then you will be send on the previous round and since the challenge will likely be continuously incerasing it is finer not to make mistakes too often if you are planning to unlock all the manga porn pictures we have prepared for you in this already 5th edition of"Hentai math"!