knight's & magic
ナイツ&マジック Knight's&Magic 骑士&魔法 ナイツマ
Knight's & Magic is a Japanese web and light novel series written by Amazake No Hisago and illustrated by Kurogin. An anime series ran from July 2 to September 24, 2017. A manga adaptation is currently ongoing, and is illustrated by Kato takuji.
The series features an isekai story where a model kit enthusiast is reincarnated into a fantasy world with mecha.