H+P -HimePara-  

H+P ‐ひめぱら‐

Kamiku Kyotaro is an ordinary high school student who excels at Japanese fencing. One morning, he wakes up to discover that he has been transported into another world. He soon learns that Trekwards Kingdom needs his help because the queen has fallen ill with a mysterious condition, which threatens the country's future. As men are subordinate to women in this realm, Kyotaro is given the task of impregnating the five princesses to produce an heir.