Mitsuki and Shinomiya have finally reached a major milestone in their journey to leave 'normal' behind and learn what 'good sex' means for them. Their next challenge is to try holding back from penetration for five days straight! After that comes the delicious agony of Polynesian sex! Finally, the hardest challenge of all-Shinomiya must go visit Mitsuki's parents! When all the nerves and anticipation crescendos, the climax will be that much more amazing!