If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.
When Kaeya catches Diluc in a drunken game of knights and bandits, he takes advantage of the victory to tie Diluc up. Diluc quickly realizes how much he likes playing his brother's captive.