Gendai Ten'i no Daini Ouji

Albert di Saloum is the Second Prince of the Kingdom of Saloum and the doting older brother of Lloyd, the extraordinarily magic-obsessed Seventh Prince. One day, while Albert is working inside the castle, an enormous torrent of magical power suddenly engulfs him. The culprit, unsurprisingly, is Lloyd, who managed to cast a bundle of spells while sleeping. When the brothers regain their bearings, the Kingdom of Saloum is nowhere to be found. Instead, they're surrounded by paved roads, towering buildings, unfamiliar clothing and people speaking a language neither of them understands. Albert and Lloyd have somehow been transported to modern-day Japan. Determined to keep his beloved little brother safe and eventually find a way back home, Albert realizes that their immediate problems are much ...