If আপনি খুঁজুন Code Geass in wikipedia, they will প্রদর্শনী the character তালিকা and ofc Lelouch is first then it shows Suzaku then CC then Kallen. I'm not saying that just because of this, CC is the main girl. I'm just letting আপনি know what wikipedia thinks. This is a really hard choice though, but in the end if i had to choose it would be Kallen, she seemed to be আরো relatable to and had আরো emotional moments than CC in my opinion. There is a different connection i can't describe