The LDP and Nova, what's the deal?

The Osaka government went after Nova for it's refund policy, and an LDP lower house politician stepped in to smooth things over by getting the president of Nova a meeting with the mayor of Osaka. All three had a powwow of sorts and the issue went away. This was last year. Now, this year the Supreme Court determined the refund policy was invalid. Should the LDP member have interfered? What's the connection between Nova and the LDP anyway? Read the details of the case here: LDP lawmaker vouched for Nova