If you wanna do a girl daily and then also some drinks in the bars left and right, that easily can be 3-5K daily already. If you would do strictly the short time version girls, and perhaps via dating sites instead of bars, you could get it at 1-1.5K per time.
So basically to keep things actually fun, I would already forget about renting for so much money, that is an absolute waste with that budget. If you would rent for max 30-40K including utilities, your plan is realistic, and still leaves room for some holidays and stuff too.
If you gonna live that lifestyle, the cheaper you rent is actually the better, there is not much benefit to more than 20-30K a month, and girls don't care either, they just wanna get paid + you are a lot outside.