伊勢崎ウェポンディーラーズ いせさきウェポンディーラーズ
[b]Isesaki Weapon Dealers[/b] is a fantasy light novel written by Naroya Kokonoe, with illustrations by [[Itou Souichi]].

"Official website":https://hobbyjapan.co.jp/hjnovels/series/16/ 
isesaki weapon dealers