Fierce Erotic Production Group Animation is popular CG collection of Doujinshi Yorokobi no Kuni! When going to a gang called invited by a friend, there is a figure of the real younger sister Mina there! Two people who decided to join while hiding being brothers and sisters. However, the King game started and the punishment game was nothing but horny! Show your breasts, show pants, show your honor to Pocky games! Mina who was sperm placed on her real brother without refusing his brother ...!