Tango was founded by Resident Evil creator Shinji Mikami and they're obviously working on something, perhaps 'creepy'? It's the third artwork posted.
Mysterion Teacher O? have taken on more industry veterans to swell their numbers. Recently the development studio was snapped up by ZeniMax Media in another of their impulse buying moods.
The latest concept piece is of a masked girl? That's followed by the two previous artwork postings below. It's just got to be at least spooky if Mikami-san is involved, right?