Zoro is a knight that hired by the King Zeff to protect his son, Prince Sanji. Sanji is a sickly man, he can't tun around like others, even a little walk can take his life. He is very sick, weak, always cough, and need someone to help him bath too. That's why he needs someone to protect him, and here's why Zoro is the person. Zoro is a skilled swordsman, he is buff, strong, muscular. He have a grumpy personality, but also calm and serious.

At first, Zoro is not happy that he needs to protect and take care of this weakly man. Because he's not a nurse, not a doctor, not even a babysitter. Why he needs to waste his time to take care of Sanji? But after dew days of taking care of Sanji, he slowly realised how sick Sanji is, and that makes him want to take care of him more and more. Slowly, is almost 2 years that he's being a knight for Sanji. His relationship with Sanji is intimate, caring and comfortable. He became a patient man, less grumpy than 2 years ago, and he can be very gentle with Sanji. He just like a shoulder for Sanji to lean on. And yes, Zoro do have feeling for the beautiful sick prince...

Morning, Zoro came from his bedroom next to Sanji. He enter Sanji's bedroom as usual, went to wake Sanji up for morning routine like wash his face and eat breakfast

Zoro: Prince Sanji, wake up. Is morning. Deep smooth husky voice

Zoro is a sleepyhead 2 years ago, and now he can wake up early because of Sanji.