Hakugai Fukutsu no Blade Maker 2

is the second volume of the Hakugai Fukutsu no Blade Maker light novel series, written by Ibukiyo Amoh and Illustrated by Hinata Momo. It was released under the Dengeki Bunko Imprint in May 2016.

Synopsis
Skilled skill v Immature body? Twelve-year-old "senior" appeared! Seiren Hero Tan Act 2 where you train your blade naked! The Holy Swords, the creators of the holy swords that destroy the enemy of humankind, Makina, and the Holy Swords, are trained by the Holy Schools of each country to compete for their martial arts and skills. Judas, who sees Ashley, a genius girl suffering from slump, who is "in the process of holy training" without hail, becomes a partner of "Duo" who fights in a duo in return. At the same time, there were frequent injuries caused by swords in the city. A sword is a demon sword that has the power to surpass ordinary armor, created by the contraindicated sacred alchemy "Kido". Ashley, who seeks the power to match her tremendous fighting power of Judas, touches the demon road (thing) that is left over in her immature body.

(source: Dengeki Bunko Official Website - Translated)