SSS-Rank Cafe by the Dungeon

Story

Rieul toils away at her office job until a sudden dungeon break ends her life. But instead of dying, she wakes up three years in the past with a second chance at life. Determined to change her fate, she reopens her late grandmother’s cafe. But the moment she gets to work, she awakens as a Cafe Owner-class hunter... with a talking cat agent named Mieum! Between brewing coffee and clearing system quests, Rieul’s new life is anything but peaceful. Has her quiet dream already gone up in smoke?

Synopsis via AniList (English).