Hiiro Sasa

The protagonist Kairi, is a boy who works with the OIL stand. One day, when Kairi finishes his work, he encounters the girl called "Tia" who had a big sword. "Tia" had to search for her older brother, who is the owner of the sword.

Due to a mistake by Nozomi, a young apprentice witch, Kei Mikagura is summoned to the magical world. In order to find a way back to his own world, his chaotic and magical life at the magic academy begins, filled with adventures with other girls!