Is It Wrong to Try to Pick Up Girls in a Dungeon - Familia Chronicle Episode Lyu v01-v06 (2018-2020)

English translation of the Japanese manga Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka: Familia Chronicle Episode Ryu.
In Orario, the only place in the world that hosts the entrance to the massive subterranean Dungeon, there's a certain tavern where the most desperate and vulnerable bring their troubles. There, the ex-adventurer Lyu Lion uses her terrifying strength to wrest what justice she can from the shadows of the Labyrinth City! But when a girl goes missing and all evidence points toward the powerful Grand Casino, she may need more than brute force to help...!