My One-Hit Kill Sister (2023)

S1E5 The Ikusaba Brother and Sister's Big Dungeon Exploration Plan

A freshly uncovered dungeon entrance has piqued Tanya's interest, and she requests Asahi to check its safety. If deemed secure, it will be accessible to adventurers of all levels. Asahi is thrilled at the chance to embark on a solo mission, but unfortunately, things don't go as planned.