1) OPEN YOUR EYES
Unsolved
Using error level analysis or signal separation reveals the message.
The font appears to be Sukiyaki or one of its many knockoffs.
There is a plethora of digital copies and revivals of Sukiyaki---sadly, none of these give proper credit. Examples include the ubiquitous free font Hirosh (by Aarrgghh, or Jonathan Smith, who does not mention Sukiyaki, even though the glyphs are identical) and Itto (by Chris MacGregor). (source)