A Light to Pierce the Darkness: Like Two Sisters in a Pod (S01E07)

The members of the guild Elizabeth Park encounter a Shadow within the forest near Targum Village. During the ensuing battle, one of the members, Shiori, is swallowed by the beast. Upon learning about the situation from Shiori's older sister, Hatsune, and the other members, the Gourmet Guild joins forces with Elizabeth Park to fight the Shadow and save Shiori. (Crunchyroll)