Onnanoko wa Yasashikute Kawaii Mono dato Kangaeteita Jiki ga Ore ni mo Arimashita

is a Japanese light novel series written by Shuichi Nimaru, with illustrations by Moff. The series began publication on July 10, 2013 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A world where 99% of men have died.

A rare boy, Minato Kugahara, lived in isolation for four years, but decided to transfer to a coeducational high school on a sunny day.

Minato dreamed of a harem life with gentle girls at a school full of beautiful girls and a girl rate of 99%, but the girls became too strong (physically).

A beautiful girl ... but a talented girl ... but a super carnivorous girl ... but a younger sister !?