Genshin Impact: People Are in Teyvat and Become a Vampire at the Beginning

The protagonist, Luo Yan, died due to an accident. He traveled through time and was reborn on the continent of Teyvat, when his life was in danger. Awaken past life memories, bind the system, and transform into a vampire. When he embarks on the journey to Teyvat, the fateful encounter begins. Fischer: "Huh? Huh!? It was obviously me who came first!!" Barbara: "Is this what heartbeat feels like?" Yora: "Humph! I will never forget everything you did to me. I will pay it all in the future!"