The only thing that can go between the Yuri is the axe :meguuusad:
I want to see them graduate, get married, then pumping out many science babies from brutal sesbian lex.
Funny enough, Kamo's methods requires exorbitant amount of money (buying companies just for espionage).
You can't get that filthy rich without dirtying your hand in some way.
You can take a power nap around 20-30 min, that will keep you awake until evening. Just make sure to wake up. I normally put 3-4 alarms with 2 min interval to make sure I won't fall asleep
Idk about Japan, but that might be more common than you might think. Hard cash is hard to track, thus it is main method to keep dirty money. Especially if you aren't obligated to make bank transfer for expensive purchase. I have seen in Asia people bringing huge bag of cash and even gold to buy...