Gekko Meikyu No Yoru Ni Nurete (Kodansha X Bunko) [Light Novel]

[Machine Translation] Lucia is the daughter of the Duchesse de Farriere of the Republic of Nebbia. For a daughter of a noble family who has few opportunities to come into contact with the opposite sex outside of her immediate family, a political marriage is a natural obligation, but there was one thing that Lucia really wanted to experience before her marriage. But there was something Lucia really wanted to experience before her marriage: falling in love. On the night of the annual carnival, Lucia escapes from her mansion and is attacked by thugs when she is saved by a masked knight in black. Lucia is still enthralled by the knight, whose name she does not know, and tries to accept his proposal of marriage. Then Riccardo, the second son of the Duke of Traiano and her childhood friend, appears before her...?

ルチアはネッビア共和国のファリエール公爵家令嬢。親族以外の異性とふれあう機会が少ない貴族の娘にとって、政略結婚は当然の義務だが、ルチアには結婚前にどうしても経験しておきたいことがあった。それは―恋をすること。年に一度の謝肉祭の夜、屋敷を抜け出したルチアは、暴漢に襲われたところを黒ずくめの仮面の騎士に救われる。名も知らぬ騎士に心を奪われたまま結婚話を受けようとするルチア。そんな彼女の前に、トライアーノ公爵家次男で幼馴染みのリカルドが現れて...?