Ouji ga Watashi o Akiramenai! Story
From Aqua Scans:
Once upon a time there was a wonderful prince… A super rich and handsome prince with a genius IQ of 500, extraordinary physical prowess… An outrageously overpowered super star…!! What will happen when this ridiculously overpowered ultra-high spec boy and a certain ultra-level-headed ordinary girl meet…?!
This is the best place to read Ouji ga Watashi o Akiramenai! online.
And here are the reasons why.
Q: Is this the official site for Ouji ga Watashi o Akiramenai!?
A: No, The entire site is fan-made.