One Big Happiny Family

Enroute from Eterna City, Brock's egg starts to glow. Finding a nearby Nurse Joy and await the egg to hatch. Happiny hatches from the egg and immediately takes a shine to Brock. Lacking a White Rock however, Brock goes out to find one. However, Team Rocket have their eyes set on Brock's new Pink Pokémon. Can the new Pokémon be protected?