We present the latest Hyper-Kamiokande sensitivity study showing that, with a total exposure of 13 MW $times 10^{7}$ seconds integrated beam power, the CP phase - $delta_{CP}$ - can be determined better than 21 degrees for all possible values of $delta_{CP}$ and CP violation can be established with a significance of more than 3$sigma$ (5$sigma$) for 78% (62%) of the $delta_{CP}$ parameter space.
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