Differences between Ringetsu and Shin Ringetsu?

[DakrFusion]

Can anyone tell me the difference between Selen's Ringetsu and Shin Ringetsu storywise?

Here are the games I mean:
http://vndb.org/v4071
http://vndb.org/v4074

 

[orisa]

Shin Ringetsu is just a remake of Ringetsu that added Suzune route and removed harem route.