Obentou Uri wa Seijo-sama!: Isekai Musume no Atta ka Recipe

Fukuyose Mahiru is former Office Lady who was transported into another world and now sells bentos. She came to know that the reason for her summoning was because “a certain lazy genius magician wanted to eat some unusual bento”. While searching for the culprit, she realized that she held an abnormal magic…? Source: KADOKAWA