Invasores tentam destruir a Terra Prometida, e humanos tentam capturar pixies. Cabe a Liam salvar o dia.

Títulos Alternativos: JP: リアム、王女様と婚約してみた | BR: Liam Tenta Noivar Com A Princesa | US: Liam Tries Getting Engaged to the Princess | DE: Liam verlobt sich mit der Prinzessin | KR: 리암, 왕녀님과 약혼해 봤다 | FR: Liam se fiance à une princesse | TW: 連恩，嘗試和王女締結婚約 | CN: 连恩，尝试与公主订婚 | HK: 聯恩，嘗試和王女締結婚約 | MAL: Botsuraku Yotei no Kizoku dakedo, Hima Datta kara Mahou wo Kiwametemita | ALT: I Am a Noble about to Be Ruined | ALT: but Reached the Summit of Magic Because I Had a Lot of Free Time. | JA: 没落予定の貴族だけど、暇だったから魔法を極めてみた | EN: I’m a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic