I thought the "plump" was a translation issue. I thought they meant like soft or without muscle and then the comment on her weight was just she was lighter than a person should be. or maybe that it was a joke based on how rich she looked.
After the soldiers’ mercenary group where he used to work had been utterly destroyed, Loren, who survived the disaster, decided to walk the adventurer’s path as a way to make a living. However, for Loren who had no acquaintances and nothing but an empty pocket on him, receiving a single quest seemed like a faraway aim. So, as he was contemplating about what he should do next, another adventurer called out to him.
Ch 15 they survived the ruins by breaking the control center thanks to main's thinking. Priest demon helped taking main and paying expenses for his treatment, in exchange she trusts main that she wants main to join her as a teammate Ch 12 the ruins was activated to some external influence and there is something happening where the goblins are being used for experiments since they would kill adventurers and take their corpse or even other goblin corpses to be experimented. Something is enhancing the larger tougher goblins and if they dont stop the ruins, by the time they inform someone, the goblins would get stronger with each human they take Ch 6 main and demon priest found ancient ruins by chance while they escaped the goblins that killed their useless teammates. They found another adventurer group of silver rank and they too are lost due to a trap they fell thru. Their quest is to find the most treasure for a competition quest