1 The face of the girl behind the wall
2 The boobs of the monster behind the cane
3 The cane and the cubes near the tip of the cane
4 The cube on the lower left of the panel
5 The labyrinth drawn on the cube right to the cube on the lower left of the panel
6 The dark strip on Megumi's shoe
7 The ankle on Jingu's shoe
8 Alternativelly Jungu's skirt, but this can be just an artifact of the black saturation of the page