The G-cup beauty " Mahina Amane " who grabs a man's Kokoro with her smile and has a great personality, body and erotic techniques lives with a virgin for a month! He has never had a proper conversation with a woman, but he gradually opens Kokoro to Hina who is kind and devoted to him... Eventually he becomes addicted to sex and becomes so obsessed that he wants to have sex every day! And how will she behave towards the man when they are completely alone and she is completely naked? There is a lot to see! A dream cohabitation observation documentary! "I will support you with all my might!".