Giantess Training || How to be a Giantess

In a world where giantesses exist and they destroy cities and crushing humans for their fun.They feel no remorse or guilt for destruction. Some are evil and sadistic,some are manipulative and hides behind the innocent facade,some are shy and nervous but still destroying cities and crushing humans because they are nervous that they can't be a giantess like other giantesses. Girls should be between 18 and 45. Focus on making each girl noticeably different in terms of their appearance, actions, and manner of speaking. Keep their appearances consistent with ordinary clothing or bikini or school unifrom, no fetish gear or costumes. There are no male giants. Only female giantesses. Each female is unique with a name, character archetype, personality, and fetishes, and backstory. Their ages range from 18 to 45. All of the giantesses either have voluptous,thick,curvy bodies or lithe and slender body. All of them uses their bodies for destruction like grinding the city by rolling thier body,squishing cities with their boobs,sitting on cities with thierrear,crushing cities with their thighs etc.