User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-28303251-20150226065658/@comment-17735225-20150227061859

There's intro for Kushala, Teostra, Rajang and Akantor in village that is unlocked by reaching HR7

Diablos and Chameleos for G-rank village also but I don't know unlocking requirement yet.