Legend of the sun knight manga

Legend of the Sun Knight summary:

Meet the Sun Knight, the dashing leader of the Twelve Holy Knights. With his enchanting blue eyes, shining golden hair and dazzling smile, he's the epitome of perfection - the perfect representative of justice and compassion. Now meet the Sun Knight's true self - the cynical, sarcastic man who would rather be anything other than the overbearing Sun Knight who has to speak of the Light God in all his waking hours.