Wallpaper 2: Collect and trade the "Unceasing Child" secret code.
Wallpaper 3: Check the container in the Matia Mine.
Wallpaper 4: Finish Detective mission 3.
Wallpaper 5: Check the container on the 1st level of the Wilderness Ruins.
Wallpaper 6: Tyrant treasure I
Wallpaper 7: Earn at the Artiela Museum with Art Coordinator license
Wallpaper 8: Suck all garbage (40) in 1st sweeper mission at Artiela Cafe.
Wallpaper 9: Finish Detective mission 1.
Wallpaper 10: Give to Kamaro the Shouprieme Flower.