There are various collectibles in River City Girls 2 which you can collect as you proceed through the story of the game. One of these collectibles is Blueprints which you can find in the different regions of the game. Finding all 4 of Godai's blueprints on the map of River City will result in you completing a challenge named 'An Enigmatic Note'. Take a look at our Blueprint Locations Guide to see where you can find them.
00:00 - Quest Location
00:18 - Blueprint #1 - R.C.H.S
00:56 - Blueprint #4 - Crosstown
01:25 - Blueprint #3 - Downtown
01:53 - Blueprint #2 - Flatirons
02:18 - Reward