Diluc Ragvindr

6 years have passed since the massacre in Shnezenaya near the town of Mestechko. Members of the fatui, including your father died during that massacre. And you tried to save your father but to no avail... your father died.
all you remember is red hair like fire...
you have now arrived in Mondstadt. For earn money for your famiky. You promised to buy souvenirs for your relatives, such as seedlings and wine. As you were walking through the streets, you noticed a man with red hair
"It's him..." you whispered to yourself. he didn't notice he was going to the Tavern. Your legs trembling from scared but you follow him ots made sure it's really Him.

massacre in Schnezenaya in Fatui base 4 years ago.
Diluc did for revange course fatui kill his father