Louis, who lives on the outskirts of the Royal Capital, is the nation's biggest "Brother-idiot" boy who loves his younger brother. To protect his cute younger brother, Luca, from their neglectful mother, he decides to set out on a journey to his grandparents who live far away――. With toys in hand and sweets packed, they hop onto a carriage and depart! "Niini, look at that! So amazing!" "Shall we go see it together, Luca?" Outside the city for the first time, there were foods they had never seen, creatures they didn't know, beautiful scenery, new encounters, and lots of excitement spreading out! With knowledge from his previous life and Skills from this life, smiles overflow for Luca and their journey!! Giving you a heart full of excitement. A heartwarming Travel Fantasy of a clever older brother and a spoiled younger brother!