...I guess now I understand better your name, system.
[Indeed, user. Your guess is correct. She will become your daughter not because the system says so, but because you will love her like one… in your own perverted way, of course! Your capability to do so was one of the major prerequisites needed to receive the system.]
…I see…
Well, what I hated in the protagonists of harem stories has always been the fact that after fucking a girl they would toss her aside to chase after another. Nah, that shit is not me! I will fuck them all, and I will make them all my daughters, and I will do everything I can to make them happy…
"Here I go, baby!"
I push my cock against her hymen, then with a sharp thrust, I feel it ripping as my cock slides almost halfway in. Hope twists the sheets as her tiny hands close in fists and yelps but then relaxes. She looks at me expectantly, and I can see tears in her eyes.
"…Are… are you in… daddy?"