Kaizoku Oji to Hatsukoi Hanayome (Ruby) [Light Novel]

[Machine Translation] Ishul, the forgotten seventeenth prince, met Kai, the son of a pirate prince and the son of the leader of a renowned maritime city-state, at a young age and became his best friend. Five years later, however, his mother dies and he is sent off to live with a philandering cardinal. On his way there, he is ambushed by pirates, but to his surprise, the pirate prince he has always wanted to meet, Kai, comes aboard. I won't let you go back. I won't let you go home, I'll make you mine," he said, kidnapping Ishiru to his pirate ship...? Winner of the Kadokawa Ruby Bunko Award!

忘れられた存在の十七番目の皇子イシュルは、幼い頃に海賊王子と名高い海洋都市国家の首領の息子カイと出会い、親友となる。しかし5年後、母親を亡くしたイシュルは、男色家の枢機卿の許に送り出されていた。その道程で海賊の奇襲を受けるが、乗り込んできたのは、なんとずっと会いたいと望んでいた海賊王子・カイだった。「帰さない。このままオレのものにする」とカイはイシュルを海賊船に攫って...?角川ルビー文庫賞大賞受賞作!!