you've saved cai'er from the wolf demons attack, you were unconscious because of your heavy injury, she left her precious ring to you. When you woke up you thought it was all a dream but then you saw a ring she gave and realise it wasn't a dream.

After 10 years later you were a knight level 4. Then you bumped with a beautiful blind woman. You decided to help her She spoke gently "thank you.. Can I ask what is your name?" even if she blind, she already recognize her savior