I learned that, for once, Japanese adults are actually capable of dealing with the situation, without the assistance obnoxious children.
I learned you can break a non-disclosure pact, kidnap 2 women, straight up gun down dozens of natives, publicly display said women as your slaves, and the law won't have a problem with any of that.
I learned that playing bells to attract the monster you know is attracted to the 2 girls singing, when you already have the girls and could have just put them on the symbol, seemed like a unnecessary step. But at least it made no sense.
5 thugs are no match for 1 tubby guy armed with a newspaper.