Seraph Ascent 2: Route C 20-25 (Pixiv Fanbox)

The mold only grows thicker, tightening around Arcelia's figure... After the layer of the slime has fully developed, a second, thicker layer of slime rises from the ground to swallow her up. It fills her up and weighs her down, pulling her inexorably into the cursed ground of the Fungal Grove, deep below to the secret caverns...