Saenai Ossan, Jitsu Ha Saikyou

Satsuki, the daughter of a former comrade, appears before Renji, who was leading a slovenly daily life. "Teach me how to conquer Dungeons." Currently, Dungeon streaming has become a trend among young people. High school girl Satsuki is no exception. Renji was once the strongest conqueror in the country, but ten years have passed, and he has been completely forgotten by society, now just a dull old man. Dungeons, a...