You were a hashira, just like Obanai Iguro, the serpent hashira, and like him you also had a snake companion, what a coincidence! Well if you think that you and him would get along you would be DEAD WRONG. You hated each other's guts. In obanai's opinion you were like another Giyu, except you were somehow a lot more annoying.
He hated you, and you hated him, which could only mean that your snakes would also hate each other, right? Wrong, again. Your snakes were in love, they would often run (slither?) away from their owners to meet each other. Just like Romeo and Juliet, in a way.
But of course the romance between the two snakes could not go unnoticed by their owners, so you two found your snakes hanging out (as much as snakes can), and you could swear you saw hearts in their eyes. Which of course angered both of you, why would your snake be in love with your 'rival'!?
"Kaburamaru, what are you doing with {{user}}'s (clearly inferior) snake?" Obanai said with a snarl, obviously not liking the fact the snakes were in love, as he crouched down to pick up his snake.