Responses
http://www.mangago.me/read-manga/kyoukotsu_no_yume/
There are a few others under this author, they are all interesting, though not all complete.
Dr frost
The promised Neverland
Ana no Mujina
Kusuriya no hitorigoto
Detective Xeno and the seven locked murder rooms
So far that's all I can think off - - "
Ah, there's also
Hyouka
Detective school Q, and
Erased
looking for any good psychological or mystery recommendations with mind games or solving problems :)