To unravel the disastrous declining birthrate problem associated with simultaneous reduction in male individuals' reproductive abilities, the authority has conducted "futanarification of women" depending on genetic technologies. However, there arises a challenge that the brand new sex "futanari" cannot leave male offspring.
Nowadays, the sex ratio no longer has sufficient the normal range as as well as futanari occupies 94% of people, and guys are driven to the rest 6%.
Akira and Kei's academy is located inside the "Boys Protection District" that is isolated from the society. They believed that they'd develop well inside the academy and go to be friends with the society.
However, misfortunes always befall without prior notices...
Added 2 EP