Tsubasa Kurata, an otaku from modern Japan, is resurrected in the Fremmevilla Kingdom, a medieval realm where strong mechs called Silhouette Knights combat horrible demonic animals. Ernesti Echevarria, born into an aristocratic family and endowed with great magical powers, enrolls in Royal Laihaila Academy. This magical school teaches young men and women how to pilot the Silhouette Knights, preparing them to guard the realm against demonic and human enemies. Ernesti hooks up with the twins Adeltrud and Archid Olter with the intention of one day creating his own Silhouette Knight, a feat unheard of for ages.