Deadman Wonderland, No.6 Recommendations
Both also have a similar feel. Both have to do with a 'childhood friend' and such.
Both series involves the MC begin sent to a new place of unfamiliarity. Horror and thriller awaits in both of these anime(s) as the episodes drags on.
Both shows take place in a futuristic, dystopian society, in which the main characters aspire to escape from and conquer their homes (said homes also happen to be the titles of these anime).