A known bearer of this name is the Georgian politician Chiora Taktakishvili (b. 1981).
Other characters combinations are also possible.
As a word, Kizuna (絆) refers to a bond or bonds & emotional ties, connection or link between people. It can also refer to a tether or a fetter.
Due to similar-looking names like Leontine and Caroline, it has also been used as a feminine name from at least the mid-1800s onwards.
This was the name of two ruling queens of Portugal. It was also borne by the Habsburg queen Maria Theresa (1717-1780), whose inheritance of the domains of her father, the Holy Roman emperor Charles VI, began the War of the Austrian Succession.