Yuki Maeda appears in "Portio Endorphin". Yuki Maeda stubbornly closes her heart. First of all, in order to shorten the distance of the mind, start from SEX. Her attitude is still dry even if she has sex that is rich enough to blow the tide. Then, change the strategy in the direction of carefully releasing the guard of the heart. First, block the information with a blindfold and carefully caress it to determine whether it is S or M. In addition, with word blame and impatience blame, to stimulate the instinct to irritate and seek pleasure and induce them to seek themselves. Can Yuki Maeda break the shell of her heart and immerse herself in a lively play with a Portio massage?