Infinite Blade 無限の刃 (gonna edit)

This is a story about a young boy, who met a princess in his father's homeland. They fell in love and soon lived in the kingdom. However, King Yamato, the boy's evil brother fell in love with princess Kikyo. Kikyo's father approved of this however, king Yamato disliked that she was in love with his brother so he changed her personality, making her forget everything she knew about the boy Itachi. Kikyo however fell in love with king Yamato and wanted to someday meet him in person only to get married. Itachi however never gave up his love for her, he knew something was wrong and the only person who would change her personality would be his jealous older brother. He trained for five years to become a bodyguard for her just so he could save her for making the biggest mistake in her life. He trained to be a swordsman, just like his father, it was a rare class that only one in a million could be. The evening before the day she travels to meet king Yamato only to get married, Kikyo had a dream. She had a dream that she was running away from a hoard of dragons. She tripped and fell onto the grass. Before the dragons could even reach her, a boy came from the sky and killed the dragons with one powerful slash. The boy turned to Kikyo smiling. He had beige spikey hair, fangs and a broadsword with inscription spelling Pegasus. The boy said,"I'm happy you're alright princess Kikyo". Kikyo woke up.