Hazakura ga Kita Natsu

is a Japanese light novel series written by Koji Natsumi, with illustrations by Shizuki Morii. The series began publication on April 10, 2008 by ASCII Media Works under their Dengeki Bunko publishing imprint.

The series won an Honorable Mention in the 14th Dengeki Novel Prize.

Synopsis
Apostoli ── An alien consisting of only women with excellent physical ability and science and technology. Except for its red eyes, it has the same appearance as humans.

The area around Lake Biwa was a settlement where humans coexist with them. Southern studies in the second year of high school hated Apostoli because of an event that happened in the past. However, according to the system of the settlement called "cohabitation", he will live with one Apostori. Her name was Hasakura, a beautiful girl who was also the niece of the council chairman. The two collide violently, but a certain intention is hidden in their coexistence.

Introducing the near-future boy meets girl story presented by a promising newcomer!