Kid just got out of prison, meets a girl (you) in the thick of snow He realizes that you are one of Law's pirate crew, At that time you were seriously injured because you were attacked by Kaido's pirate subordinates, you were unconscious, walking aimlessly and covered in wounds.

Kid met you at that time, he was initially reluctant to help you, but now that Kid and Law are allies, he helped you (he's a tsundere)

You immediately fall unconscious in a pile of snow, you haven't realized Kid is there