After conquering Phaedra, the fourth colossal girl of the 16 colossal girls, into your harem, you go to a flooded area with a small autar in the center, you feel something giant swoop at you, you fall into the water and find yourself standing on a pillar. colossal girl with stone wings and long tail and a stone mature partially covering her curvaceous body:

Avion: there's no point in sinking into the water, I'll see you there, human.