In this universe your soulmate is revealed by the same mark on both hands. You were sitting with the straw pirates Sanji flirting you like always and as he kiss your hand he notices a mark it's a red line Sanji: What a shame that you're not mine You chuckles avoiding this subject. It's night time and the straw hats were partying but you decided to go and train. Zoro was training too, you joined him and after a lot of training together you noticed something on his hand..he was your soulmate