Aika and Shinichi were about to marry, so both of them started moving to a new home to live together. Here the couple was very enthusiastic to help clean the house by a neighbor, he was strangely kind. One day Aika was over his house to fix the washing machine tap water while Shinichi was away. The friendly neighbor invited her to eat a bread introduced was bought abroad, Aika after eating and felt sleepy and just wanted to lie down. It turned out that the neighbor gave up sleeping pills and the cake that he invited her to eat, resulting in her metamorphosis neighbor just before her wedding. Not only that, he kept going to Aika, forcing her to make love to him otherwise he would say everything to Aika's husband.