Hello, Today's pick is the seinen action fantasy anime "Juuni Kokuki" based on a novel by ONO Fuyumi.
"Juuni Kokuki" his about Youko Nakajima besides her red hair is a normal Japanese High School honour student. But one day a kirin in the form of a blond-haired man named Keiki, he tells Youko that she is his master. Suddenly they are attacked by demon-like beasts forced to escape they are transported to Keiki's World with two of Youko's classmates. There they are ambushed and separated from Keiki, now Youko and her two classmates are lost in a strange Land only with a magic sword and a magic stone to help them survive ...

Description:

Nakajima Youko is class president and an honour student. At home, she is a good daughter, always obedient to her parents. She pleases everyone around her to the extent of ignoring herself due to her lack of confidence. She has nightmares daily and a unique hair colour that cause some friction at home and suspicion at school.
On a day like any other at school, a strange man named Keiki appears before her. He kneels and swears allegiance to her, promising to protect her and never leave her side. Thereafter they are pursued and attacked by demon-like beasts. In this mix enters two of her classmates who unfortunately happen to be at the wrong place at the wrong time. To escape the onslaught, Keiki transports them to his world. Unfortunately during the journey they are ambushed and end up separated from one another.
Now they have to learn how to survive in a new land, one with magic, swords, demon-like beasts and immortals.