My Little Sister Does Not Need Protection, As I Expected

I thought I had died. But when I opened my eyes, I saw the giant couple looking over me lovingly. I am Savion Sitri, the heir of House Sitri and a certified siscon. My little sister Sona is the cutest girl in the whole world, and I will not let anyone say otherwise. Yes, I am looking at you, Sirzechs. DxD Multiverse Peerage SI (Trigger Warning: Story includes incest) There will be no Rias and Issei bashing in this story. Each chapter has over 2k words. Cover Art by -Nezumi-