This episode is literally good... fighting amongst Horrors as rivals is interesting (too short huh? BOO!).
So... Horror of this episode: According to the official website, it's the Kuwagata-type and Kabuto-type Horrors.
Spoiler
Project G? What's this? An architectural drawing of <something>???
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So that girl's name is Ximena (Not Jimena?), who took care of German at her home. Now I get it.