Read The Thorn That Pierces Me Manga:
An unfamiliar world that suddenly fell. Unfamiliar language, a zombie called Mannock, an uneven situation. A man who appeared when even hope was lost in repeated despair. “A stranger?” She was the savior she met. Baek Hee-su, who wants to return to the original world, picked up a woman who needs a lot of hands in many ways. What should I do with this woman? “If I think you are wai more.. ting for me, I think I can do anything. Anything to come back to you… “Mercenary and mysterious man who hunts Manoc, Kalix Clovis” “I will never meet you again when I arrive in the city.” “Okay?” He carefully held her hand holding my forearm. His bright blue eyes stared straight at her. “Until then, stay by my side.”