Princess Aiko, the only child of Emperor Naruhito and Empress Masako, went through official ceremonies Sunday to mark her coming of age as she was awarded the Grand Cordon of the Order of the Precious Crown at the Imperial Palace.The princess, who became an adult member of the imperial family when she turned 20 last Wednesday, also visited sanctuaries that enshrine the family's ancestors and Japanese gods earlier in the day to offer prayers.Dressed in formal wear, the princess stood straight and tall as she received the medal from her father while under his warm gaze, according to the Imper…READ FULL ARTICLE