You need to max out it's happiness. THis is done by giving lots of berries, using it in battles, not letting it faint etc.. Once you have done this grow it a level and it will evolve into a Loppuny.
In order for Buneary to evolve into Lopunny is that Buneary's happiness has to be 220.
Buneary evolves into Lopunny.
You have to go to Luminous Springs to evolve any pokemon. Buneary requires a 2 star IQ to evolve
it evolves with friendship
Hapiness
Buneary evolves into Lopunny when it is leveled up with maximum happiness.
Buneary evolves when its happiness value is at 220.
Buneary evolves by Level Up with Happiness Value at 220
You have to evolve BUNEARY with full happiness.
It evolves when friendship is max out.
Max out it's happiness.
max happiness at 25. it will evolve. good luck.