Okami To Randoseru: Kyu Saishuka To Tensei Musume No Danjon Gohan

Alba Thomas is an elite S-rank gatherer who travels the world hunting for rare items like dragon horns and golem cores. His life takes a bizarre turn when he discovers a young girl wearing a school backpack trapped inside a dungeon treasure chest. The girl, Nono, remembers nothing of her past, and due to the kingdom's strict laws, the duo is forbidden from leaving the dungeon. Alba vows to protect her, but he has zero cooking skills. Luckily, Nono steps up, showcasing incredible culinary talent by turning monster ingredients into delicious meals.