it sorta looks like a chinese atau samari sword i think any i like it not lebih then zongetsu banki (i dont call it ichigos caus im on the zonpaktos side) but i like it what benihime look like oleh the way
Considering his Shikai is constantly in a state of release, excluding when he hides it in his cane, I personally think it wouldn't change too much, maybe only small differences, like the tassel at the end and maybe the guard.
I thinkit probably a red dragon that attacks quickly and dazzle that opponent with it beauty distracting them and its manifested form is probably actually a princess but we will never know until kisuke reveals it....if he ever does hes the type of man to keep us guessing