Tell me why only male descendants of the Emperor can take the throne.
女性宮家の創設 保守層中心に慎重論 議論見通せず | NHKニュース
皇位継承問題 (平成) - Wikipedia
女性天皇 - Wikipedia
女系天皇 - Wikipedia
If Japan's six unmarried princesses marry commoners, they'll need to leave the Imperial family altogether. Why is it a problem?
What do you think about a woman Emperor?
What did you feel when you saw Empress Masako?
What do you expect Emperor Naruhito?