Isekai Okonomiyaki Chain: Osaka no Obachan, Bishoujo Kenshi ni Tensei shite, Okonomiyaki Fukyuu!

Humanity’s strongest existence, obviously that’s auntie from Osaka!!! Thus naturally she’s reborn as different world’s strongest beautiful swordswoman!!! This is a story where past auntie from Osaka doing cheat while opening okonomiyaki store in towns and dungeons, an upstart who opens branch store one by one as the manager!!! Source: NU