Based on the Ukikipedia route guide, I notice a few odd things. First, why don't we go into BBH for the Haunted Books? I timed things in usamune and the full ordeal takes about 32 seconds or so. (we could remove a star like Bully the bullies or even swap WF reds +100 for Haunted books and Penguin Race and I think save 10 seconds? Second, in 50 star, the guide says to get CCM slide with 100 coin, but it does Penguin Race after. Why not do Penguin+100 and CCM slide on its own?

If you go to BBH you lose a lot of time on the way back and forth and you cannot take out the 100 coins in WF you get 2 stars in one minute, that's a big timesave.