>shadow house
>Faceless shadow nobles living in a vast mansion, attended by living dolls who spend much of their time cleaning up the soot endlessly emitted by their mysterious masters.
all black "shadows" rule over their "faces", which appear to be regular humans. starts a bit slow explaining, but seems to be going into deeper details on whats going on.
>Nozomanu Fushi no Boukensha
>The protagonist was an eternal copper rank adventurer of frontier area, Lent. He’s unlucky as he meet a powerful monster inside of the labyrinth, got defeated, and when he noticed, he already became a bone man《Skeleton》. Agonizing since he can’t enter the town with his current condition, he’s recalling about the existence of monster evolution, with a goal to gain a body with muscle, he defeats the monsters of the labyrinth.
smart but horrible aptitude adventurer gets eaten and then turned into a monster who levels up by killing other monsters. seems pretty generic, but the tone is set really well and the story is pretty enjoyable