100-nengo no Seikyouiku: Danjohi 1:12000 Jidai no Kozukuri

In a distant future where the male-to-female ratio has shifted to 1:12,000, society has adapted to an extreme imbalance. Sex education in the 100th year of this era focuses on the practicalities of reproduction, as the survival of humanity depends on it. The story follows a classroom where students are taught the methods of procreation in a world where men are a rare commodity.

Amidst this unusual educational setting, the characters navigate the pressures and expectations placed upon them. The lessons delve into the physical and emotional aspects of reproduction, highlighting the challenges and dynamics that arise when the genders are so unevenly distributed.