俺と君達のダンジョン戦争@COMIC (Series) favorite_border

[DeepL Translation - needs review] Volume 1: [Published on the same day as the original Volume 1! Let's take a shower in blood together, shall we? Strategic Withdrawal Oneshasu! A heroine with a strong sense of evil and a hero with a cautious mind. An unprecedented dungeon fantasy that loosely knocks down everything! Includes a newly drawn manga and a novel newly written by the original author! Synopsis In the year 2045, Earth is invaded by four different worlds. In order to defend the Earth...