Name: Yuri

Alias: Kamen rider Saikou, The Swordsman of Light, The Great Hero of Light,

Rider Type: Protagonist, Hero

Looks: 

Age: Thousand years old (Immortal) 

Gender: Male

Species: Human (Wonderian)

Homeworld: Wonder World (Formerly), Earth (currently)

Affilation: Fantastic World Book Store, Sword of Logos, S.U.F, Destiny High School

Occupation: Swordsman, Wizard

Family:
Adoptive Father: Merlin
Surrogate sister: Nari

Companion: Archie

Love Interest: Glynda the Good Witch or known as the Kind Wandering Woman

Backstory: During long time ago, Yuri was the orphan after he losing his parents from the dark monsters from dark realm after they discovered the Wonder World. However.... He was adoptive and raised by Merlin. Merlin taught Yuri to using the magic from Wonder World, Yuri become the user of Wonder Magic the rarest magic. He summons his familiar and best friend Archie Yuri has fell in love with the fellow magician Glynda his true love.... However... There is the wars of Wonderian and Megiddo. Merlin has created the first three Seiken sword the Light, Darkness and Flames. Merlin first one use the both swords and give to his student Yuri. Yuri is best friend with first Saber. After the wars was over, Merlin fear there is hungry power, greedy and corrupted wanted to use the seikens. But Yuri volunteered and sacrificing his humanity so that he can guard the sword and King Arthur's book, Merlin grant the spell taking his humanity away. He remains immortal to protecting the book he has with Archie, leaving the one he love.... Glynda. He is the last Wonder Magic User. But unaware to Yuri.... Glynda was given the grant of immortality by the Lady of Lake. 

Personality: Calm, serious, smart, intelligent, friendly, respectful, kind, caring, determine, curious

Likes: His friends, Merlin, (Y/N) William, reading the books, looking the worlds around, reading SwordXMan, Glynda, practice his magic, seeing Nari as little sister, searching for Merlin, fight alongside with Saber

Dislikes: Megiddo, Sword of Logos corruption, Master Logo, Sabela, Durandal terrorists, evil kaijins, someone uses the books as selfish as evil, using books as evil, bully, racist, pervert, arrogant people, selfish people

Main Forms:

Saikou the Sword

Shadow Mode

X Swordsman (Upgrade form)

Transformation Item: Seiken Saikou the Driver

Quotes:

'I  am the sword, and the sword is me'

'Many thousands of years... I feel like Earth has been changed and still as beautiful....'

'I do remember... I fell in love.... Her name is Glynda. She is the witch, but the good witch.... I do miss her everytime. It was the only way to protect her....' (Remembering Glynda)

'In order to find Merlin.... You must combine my Sword and the Darkness sword with your sword that it will destroyed your Sword will creates the map to find him....' (To (Y/N) finding where Merlin is) 

'Hey, Morgan! It's been a long time you bitch!' (Meeting Morgana)