Up until page 56.
You can safely read as far as that and fully enjoy it to your heart, and then you might stop here and happily imagine a cliché happy ending.
You see, the rest is a fucken half-mindbreak story, with a fucked up ending.
Mind you : this did NOT end up in netorare, since netorare implies the male hero is having his feelings crushed, okay ? But instead, it ended in a half-baked lame-ass poor tasteless ending.
Taken from hentairules.