I prefer [name_f]Kiara[/name_f] [name_f]Sophie[/name_f] just because [name_f]Kiara[/name_f] has The [name_m]Lion[/name_m] [name_m]King[/name_m][name_f][/name_f] vibes for me and it seems to be kind of an underrated choice as a first name compared to [name_f]Sophie[/name_f] / [name_f]Sophia[/name_f].
[name_f][/name_f]I generally prefer [name_f]Kiara[/name_f] and [name_f]Sophie[/name_f] as sister names, funnily enough.