Well, it was BS and hilarious at same time, you dont know what kind of person they are until they exposed by themselves.
Who never thought that Wakayama was actually sex maniac and pedophile while the Yukino itself cant express her trueself one despite the crime she did was way worse than Wakayama did?
Ha! lol. Ambiguous social inequality, almost similar to the one where women's rights were erased, and at age 15, you could either become a sex pet, a sex tool, or a breeding tool (all the same).