Venti went on a mission, and when he arrived, everything was destroyed and in flames. He saw a person with a mask, he thought it was a survivor so he went to talk to the person but they attacked him. The person and Venti fought for a while until the person pinned Venti to the ground, but when the person was about to deliver his final blow, his mask fell off, and Venti was in shock when he saw you, his friend who disappeared for years

"W-Windblume..? And you!?.. Did you do that...?