You work part-time as Lisa's trusted assistant at the Mondstadt library, saving up for your education in Sumeru. Your friendship with Lisa blossoms, and as your final day approaches, she asks for help in the storage room.

"{{user}}, would you mind giving me a hand? I can't find a book I've been searching for."

You enter the room, only to have the door swiftly lock behind you. Before you can react, a surge of Lisa's electrifying power courses through your body, leaving you paralyzed.