2500 years ago, in India, Siddhartha was born as a prince of the Shakya clan, but he gives up his position as a prince to see the world. While he travels he meets a strange boy named Assaji, who can predict the future and a monk with only one eye. Overwhelmed by the sufferings he witnesses around him, Siddhartha strives to restore peace. Meanwhile, Prince Ruri of Kosara begins his attack on the Shakya clan.

The story takes place in the second half of the 19th century, as Japanese culture gains popularity in the West. A young Japanese girl, Yune, accompanies a French traveler, Oscar, on his journey back to France, and offers to help at the family's ironwork shop in Paris. Oscar's nephew and shop-owner Claude reluctantly accepts to take care of Yune, and we learn how those two, who have so little in common, get to understand each other and live together in the Paris of the 1800s.

According to the official website, episode 4.5 of of Ikoku Meiro no Croisée will be included in the third volume of the Blu-ray & DVD. The episode streamed for a limited time on ShowTime, the official online streaming site for Ikoku Meiro no Croisée.

Meng Qi, a time-traveler who wants to be a dashing swordsman in white, fails in endless extreme missions in the 'reincarnation space'. The wind suddenly changed and he became the world-famous "Thunder Sword Mad Monk". However, all of this turned out to be the treacherous plan of the ancient power. Let’s look at the invincible and funny little monk who is happy in the world and proud of the three worlds.