People who are buying / bought a second hand house, how much of a discount did you get when negotiating with the real estate agent?

Hi all,

When I looking at a second hand house in Tokyo / Osaka on sites like homes.jp – how much discount can one expect to get when negotiating?

For example, if a second hand house is asking 128,000,000, how much do you expect to get off when starting negotiations – or how much discount did you get from your experiences?

I totally understand things like, duration the house has been on the market, urgency of the seller, will affect the discount, but just want to hear peoples experiences.

Thank you