Overview
This tutorial was written, so that players can modify their Generation 4 saves to perform cute charm abuse to obtain shinies.
Granted, it is possible for the user to legitimately reset their game to obtain an abusable save,
but the point of this guide is to allow users to make their own modifications to create such a save.
How it works
The ability Cute Charm in the overworld significantly increases the chances of the player encountering a Pokémon of the opposite gender.