Tora Zoku Kotei No Hateshinaki Jiai (Laluna Bunko) [Light Novel]

[Machine Translation] Noel, who attends the traditional Royal Academy of Herbst, is the third son of a fallen nobleman and has an ordinary appearance, although he has excellent grades. His childhood friend and fiancee of the crown prince, Siegfried, is now only a name. One day, a human accidentally kills the queen of Visner, a neighboring country inhabited by the tiger tribe, and Emperor Farid demands that a replacement queen be chosen from the academy. The Tiger emperor is rumored to be ruthless and terrifying... However, Noelle volunteers to take the job if it will help bridge the gap between the two countries, which have no diplomatic relations...

ヘルブスト国の伝統ある王立学院に通うノエルは、成績こそ優秀だが没落貴族の三男で容姿も平凡。王太子ジークフリートの幼馴染で婚約者という立場も今では名ばかりだ。そんなある日、虎族の住む隣国ヴィスナーの皇妃を人間が誤って殺してしまい、代わりの妃を学院内から選び差し出すよう皇帝ファリドから要求される。冷酷で恐ろしいと噂の虎族皇帝...だがこの輿入れが国交のない両国の懸け橋になるなら、とノエルは自ら志願し...。