21 minutes ago, Kuni Katsuyoshi said:I agree.
Sotorii may be old enough for the 'birds and bees', but that doesn't necessarily make him post-gempukku. If he was he'd probably be emperor already, and his brother an Otomo or Seppun. But that's not a hard and fast tradition so ....*shrug*
You become an emperor when the former emperor dies, not after your gempukku. Historically, some kings and emperor even outlived their children and passed the title to their grandchild instead