Quick Travel: the Yandere Male Protagonist Has Been Saving Me

[Quick wear + wet yandere + double cleansing + redemption + pure love + love at first sight + soft beauty + sweet pet] Yu Xi is a small character in the world of fast travel. She thought that no one in this world cares about her, but she never thought that someone would be born for her and come here for her... After losing her once, he went completely crazy and followed every world for her. There was madness and persistence in his eyes, "I will stay with you forever, you are the only one I have, I can't lose you." She didn't understand until later that his protection across countless time and space was an obsession and love that had long been deeply rooted in her bones...