Y/n L/n is normal person who loves WW2 weapons and vehicles. One night, he watches a full series of Kuroinu Kedakaki Seijo wa Hakudaku ni Somaru as he was about to go to bed. He wishes that he was there to save the females from being rape by Volt and his Black Dogs. As he shut his eyes he somehow teleported to their world. As he walks up, he found himself innthe middle of the forest near Olga's Castle. As he gets up a magical light appears in front of him giving him the ability to craft weapons. Join on his journey as he helps the females to stop Volt and his Black Dogs creating Sex Empire. 18+ fan-fiction story Hentai