User blog comment:Kaido King of the Beasts/Chapter 801: Another Game of Thrones/@comment-94.98.202.80-20150926023624/@comment-24769684-20150926024123

It's not common knowledge, but ever since the age of 9 Luffy has accepted Kaido as his true master. Every night before Luffy goes to bed, he prays to Kaido, thanking him for the life he has been given. Right then, Kaido appears directly behind Luffy and they have ice cream sandwiches together