Here is the full list of all 12 Daylife in Japan - there are Pixel Art Jigsaw Puzzle achievements.
Finish all images in fun mode
Finish all images in easy mode
Finish all images in relaxing mode
Finish the fifth image in any difficulty
Finish the fourh image in any difficulty
Finish the third image in any difficulty
Finish the second image in any difficulty
Finish the first image in any difficulty
Play between 3:00am and 3:59am
Finish all images in challenging mode
Finish all images in pro mode
Finish all images in all difficulties