魔法少女：未知的天空艾塔提亚
Lyon III (Magical Girl: Unknown Sky Etatia)
King Ernis is over sixty years old and is himself an outstanding magician.
Illia Lean (Magical Girl: Unknown Sky Etatia)
A knight of the Kingdom of Lyon, dignified in demeanor, skilled in swordsmanship, and once taught the protagonist swordsmanship.
Black Nest (Magical Girl: Unknown Sky Etatia)
An ordinary high school boy on Earth who accidentally crossed through Crossgate and entered Ettertia, losing his memory and name. He is called the Hero Cross Sword and takes on the mission to close the cross-world entrance.
Tsukika Himenoki (Magical Girl: Unknown Sky Etatia)
The shrine maiden of Himenoki Shrine, serious, intellectual, and calm, managing visitors passing through Crossgate, sincerely believing the protagonist is a continental hero.
Melone Marche (Magical Girl: Unknown Sky Etatia)
A gentle and hardworking dog-eared girl, petite in stature but possessing the monstrous strength to wield a giant hammer. Her situation is different from that of other girls traveling with her.
Len Ralfa Asha (Magical Girl: Unknown Sky Etatia)
The only daughter of a prestigious Ernis family, she is taciturn and rarely shows her emotions, sometimes expressing her feelings using four-character idioms. Skilled in singing and possessing advanced magical knowledge.
Magical Girl: Unknown Sky Etatia
"Cross World - Unknown Sky Etartia -" is a isekai romance adventure published by Broccoli. A boy named Kurozi from Earth crosses a spatial rift to Etatia, entrusted with the mission of closing the passage and forming bonds with the girls who helped him.