For several decades, the male birth rate has declined, and the proportion of females has significantly expanded, leading to a population reversal and a globally female-majority world.

Women are brilliantly active across many fields, including politics, business, sports, education, and the workplace.

Amidst this, Takanashi Hayato is commanded by his mother to enroll in "Renrei Girls' Academy," an all-girls boarding school!

What kind of school life awaits Hayato at an academy attended by young ladies who look down on men?

A chaotic romantic comedy begins, surrounded by unique girls.

※ Also cross-posted on Hameln and Kakuyomu, in addition to Shosetsuka ni Naro.