Volume 4 (Novel)

Information
One day, half of the summer vacation has passed. Under Noir, a letter arrives from his brother Gillan, who attends a school to become a merchant in the city of Hornest in another country. According to the letter, His brother wanted to see him for the first time in a long time, so why don't I come and visit him? Noir decides to head to Hornest, the city where his brother lives, with friends such as Emma, ​​Lola, Luna, and Leila.

Chapters
==Characters