Isekai Trip Shite Kowaomote Kishi Taicho No Wakaokusama Ni Narimashita!? (Royal Kiss Bunko) [Light Novel]

[Machine Translation] One day, Yuri, a senior in high school, was thrown into another world by the mysterious power of a luxuriously bound Western-style book, and was attacked by mysterious men in black. The man who saves her from danger is Deet, a strong-faced knight leader. In order to find out the cause of his trip to another world, he is contractually married to Deet, who has the title of marquis! At a ball she attends as a married couple for the first time, Yuri is drugged with an aphrodisiac, and she becomes wild and wildly desires Deet.... Yuri, who has been lonely in the real world, loses her heart and purity to the blunt but cuddly Diet. Wedding love.

高校3年生の百合はある日、西洋風の豪華装丁本の不思議な力によって放り出された異世界で、謎の黒装束の男たちに襲われる。危機を救ってくれたのは強面騎士団長ディートだった。異世界トリップした原因を追究するため、侯爵の爵位をもつディートと契約結婚することに!!仮初夫婦として参加した舞踏会で媚薬を盛られた百合は、淫らに乱れて激しくディートを求めてしまい...。現実世界で孤独だった百合は、ぶっきらぼうだけど寄り添ってくれるディートに心も純潔も奪われて。ウエディングラブ。