Background Pony #B4EC
"@Background Pony #11C5":/images/796353#comment_8813665
Step-siblings means that one of one sibling's parents married one of the other sibling's parent, but both siblings were alive before the marriage, so they aren't biologically related.
I think you mean half-sister (meaning that they have one biological parent in common, and she has "quite a few half-siblings":/tags/parent-colon-oc-colon-generic+messy+hair+anime+anon).
Step-siblings means that one of one sibling's parents married one of the other sibling's parent, but both siblings were alive before the marriage, so they aren't biologically related.
I think you mean half-sister (meaning that they have one biological parent in common, and she has "quite a few half-siblings":/tags/parent-colon-