Did anyone notice that the billboard behind Kagami (on page 3) has a picture of Inochi Nichirin, from Super-Dreadnought Girl?
http://myanimelist.net/character/67155/Inochi_Nichirin
http://vatoto.com/read/_/69294/denpa-kyoushi_ch2_by_pinoymanga-scans/3
Primary:
Sky
Slate
Blackcurrant
Watermelon
Strawberry
Orange
Banana
Apple
Emerald
Chocolate
Marble
Secondary:
Sky
Slate
Blackcurrant
Watermelon
Strawberry
Orange
Banana
Apple
Emerald
Chocolate
Marble
Pattern:
Blank
Waves
Squares
Notes
Sharp
Wood
Rockface
Leather
Honey
Vertical
Triangles