In Succubus Advent: The Ethereal Collapse, you lead a quiet existence on a sparsely populated island, living with your uncle and friend, far removed from Avalon's mainland. Unbeknownst to you, an ancient malevolence is on the verge of resurgence. As events unfold, you'll face unexpected challenges, unravel hidden secrets, battle succubi and other formidable foes, and rely on your allies. Your journey will test your resolve as you work to put an end to the looming threat that endangers everything you know.