
some explanation on the special mode from block girl
Here are some things I learned from playing and from looking through the websites since there are no details on the special in the manual of Nanaca crash. I can't guarantee for sure but I hope the info helps someone.
If you crash into the block girl and the block girl is in Nanaca C.F.F mode and you hit the following girls different types of special mode happens.
When you crash into the block girl and is in Nanaca special C.F.F
if Taichi crashes into the stop girl Taichi turns green and the speed doubles 3 times
When you crash into long haired character who has her hand by her ear you get Type B Charge Boost and Taichi turns red and wil charge while your speed increase
When you crash into the blue short haired character , Taichi will turn blue and it will go into Type C Parachute Death Sentence - warps 1000m
When you crash into the wavy long haired girl, Taichi turns yellow and you get the Type D Bound Boost which will increase speed for 5 times every time you bounce
At first I was avoiding the block girl but she does give you a unique special so give it a shot!