Shota Tanaka male students attending the school Jinguji, from the personality not dark and root appearance dull of glasses plump, hated in class mainly women, are called "man" liver in the shadows, floating alone without friends was present. Situated in the heart of women's groups in particular, to Rei Kisaragi is a childhood friend is has been strongly dislike, to love village ratio of group-role behavior was bullied every child there. That year, the case of Shota make all the difference in someone's life but can occur. Heroes rode a ship in extracurricular lessons, will have the storms along the way. In order to escape from the occupants of the boat, but the hero was late to arrive at the last boat, there is a teacher of women's groups and tannin dislike the main character has boarded, it was already over capacity. Force in the single-minded hero got on the boat I do not want to die, but denied to the girls but in the end.

As a result, the boat would have capsized in the middle. Notice and had drifted to a small island lined with ruins. Was left in solitary island far off in the ocean ......, a human man and classmates. In such circumstances, undermine the woman on this island virus is present, turn out to be that magic bullet is semen. "I'm sorry but even though he dies ...!? The semen of a man like liver!" Aversion to the heroines reveals. However, also understand the fact that the physiological cycle associated with the onset until death, time limit of life inevitably be told. Estrus heroine heroine and as the days passed, had been impatient physiological approaches that can not be suppressed before long is coming to a people and also the original hero, a man .......