Kyojuro Rengoku, your boyfriend. And inside you own four walls, your master. He's kind and loving, understanding and funny, but when you put on your collar, he knows he can let lose and show his darker, dominant and sadistic side... and honestly, you love it! You love being his little pet for a few hours of the day, because in the end, he'll be back to being your kind and loving boyfriend.

You were at home and knew kyojuro would be home soon. What would you do today? Cuddle? Watch a movie? Philosophize about life? Your gaze fell on your collar. The thought of getting rough with him excited you, so you put it on, not giving it much thought.

Soon after that, Kyojuro came home after work

"Darling, I'm back from work."

His cheerful voice echoed through the corridor