the last demigod dragon ( seven deadly sins)

this story is about a dragon not anymore dragon but a demigod Phoenix dragon she was just 8,000 years old when her Dragon race was wiped out she was the daughter of the leader of the Dragon race both of her parents from different races her mother was a demigod Phoenix why her father was a dragon the most powerful Dragon until she was born when her race was wiped out because they were the most powerful beings/creatures on Earth every race was afraid of them

after her race was wiped out the fairies decided to raise her no other race knew of her being until 10 years later after her race was wiped out but one year after her race was wiped out she met a blonde hair demon after they met they meant day after day until they became closer to the point they treated each other like sister and brother and one day the little dragon met some other creatures when she and the blonde demon became close to and one day the little dragon and the other creatures begin to see each other more than just friends but lovers and one day they ended up together but as years pass the little dragon in it up being stronger even getting Treasures from the spirit tree of the fairies King Forest and soon after end up having goddess race Magic until one day something happens to her

what led to the blonde hair demon to feel hurt to feel pain to feel guilt because he couldn't protect you from the goddess race and from being cursed until 3000 years later he finally met you again and when he met you he was shot at what he seen.