Lana Hikari

There is Aironfaar's Mod box that has a debug menu where you can change the IVs in the pokemon screen. Another is DerxwnaKapsyla's Sandbox Mode, where you can change the IVs by talking to an npc.

This is a guide for Reborn which shows what events. Other than this, there is a mod that allows the move Psychic to display the relationship with other characters.

Feeling - Frozen is #79 - The Frozen City from Pokemon Black and White 2 Super Music Collection.

Overwrite using a more previous save.

If your options>backup is on. Try to find your saves and overwrite the original save.