Nyomurei? A false bride? (1)

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A girl who fights through a troubled world : Chuka Taiga Roman! Time is shaken by the death of a king. There was no prince who had "Teio Rei" (Order of Emperor) as a proof of his successor, and the succession race was intensified. At the request of the third prince, 鏡淵, the girl who holds the key to "Teio Rei" becomes a substitute for a noble bride in order to escape from pursuers.