Sitting with torso upright and slightly arched backward, her right arm bent up with right hand behind her head and elbow spread wide, her left arm bent similarly with left hand behind her head, her right knee raised toward her torso with foot flat before her, her left knee raised alongside with both knees together, head facing forward; front view, full body shot.

他のAI画像ツールに貼り付けて使えます。アングルを切り替えるとプロンプトも変わります。