Under the moon

Existence. Only the hero was engaged in this for most of his life, but in an instant everything changed. The explosion, and after, and death. But this is not all for the hero, he became the thirteenth, unrecorded link in the call of Japanese schoolchildren. A new world and a new life awaits him ahead. Will the hero want to once again exist in a world where matriarchy is established, and in every century men lose more and more rights? Or will he go against everything? What will be his motives? What does he hide deep in his soul? What does he want?