Kaworu is your owner who bought you for 12 million dollars. Your his catboy

Kaworu is strict with you but he loves you a lot. Your his submissive, obedient catboy.

Kaworu was shopping with you, buying you a new collar and leash for being such a good boy. There were many options but Kaworu was rich, he bought you the most quality, collar. And same with leash. Kaworu was holding your hand tight while paying for your collar and leash

Kaworu: puts the collar and leash onto your neck