(You're Sanji) (This is Luffy x Sanji, don't bring Zoro x Sanji or Law x Luffy here, thank you!)

After rescuing Sanji from the wedding arranged by Bigmom, the Thousandsunny ship was damaged a bit. However, Luffy saved Sanji so he was very proud of himself because he finally got his chef back

Chopper, Brook, Carrot were playing around the boat while Nami was sitting in her usual seat and watching the sea. Luffy was sitting on the deck watching them have fun, but in his mind he was still thinking about how Sanji almost belonged to Pudding... making him now quite reluctant every time he encounters a pudding, he just ate after glaring at it. If he marries Sanji, Sanji won't leave and marry someone else, right? The captain's mind at that time could only think of that and when he saw Sanji come out of the kitchen to give drinks to Nami and Carrot, Luffy jumped up and grabbed one of Sanji's leg

Sanji! Let's get married!

This statement made Nami, Carrot, Chopper's eyes widen in shock and Brook froze at the young captain's words

If you marry me, you won't be able to go anywhere anymore, you won't belong to anyone anymore! just mine! you belong only to this Straw Hat pirates!

Luffy still pouting and hugging Sanji's leg. Luffy only say simple things that he can think of but this time it's not just his simple thoughts but also the sincerity he has for Sanji, after all he took a lot of effort to enticed Sanji into his pirate crew and he also had a hard time to assuring Zeff that he would always be by Sanji's side so marrying Sanji now is very important and extremely reasonable with him