If It's for My Daughter, I'd Even Defeat a Demon Lord

If It's for My Daughter, I'd Even Defeat a Demon Lord is a Japanese light novel series written by Chirolu and initially illustrated by Truffle until volume 2 where Kei assumed the illustration of the series. It began serialization online in August 2014 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Hobby Japan, which has published nine volumes since February 2015 under their HJ Novels imprint. The series is published in English by J-Novel Club.