Sophia, Kimi wa Shinde Inai no ka? Mahou Kenkyuu wo Intai Shita Ore wa, Hokuou Oujo no Konyakusha to Gakuen Seikatsu wo Tanoshimu... Hazu Datta

"Someday, I want to travel the world. Just the two of us." Sophia, the fourth princess of the Kingdom of Finland, is my fiancée. I am Youta Kagami, a former magic researcher. For certain reasons, we had been living among adults and leading research-focused lives since childhood. But we had a dream:...

Source: MyAnimeList