I found this link:
https://ja.wikipedia.org/wiki/%E5%88%9D%E5%8A%A0%E5%8B%A2

Cut-n-paste into Google translate yields:

Hatsukaze was the Imperial Yacht of the Empire of Japan . [ 1 ] It was one of the earliest Japanese leisure boats . [ 1 ] Kase is an old usage of the word kaze, and hatsukaze means "the first wind of the season" . [ 5 ]

This two- mast steamship was presented to the Crown Prince (later Emperor Taisho ) by Hisaya Iwasaki in 1902 ( Meiji 35) as a gift to commemorate his visit to the Mitsubishi Shipyard (later Mitsubishi Heavy Industries Nagasaki Shipyard ) . Its interior was decorated with Japanese artwork . [ 1 ]

Built at the Mitsubishi Shipyard in Nagasaki. Construction began on May 10, 1901. Ship number 141. Launched on October 4 the following year. Completed on the 25th of the same month. [citation needed] Transferred to the Imperial Household Ministry the following month and named the utility ship "Hatsukasei." Alternatively, launched on October 4, 1903, and completed on November 26 of the same year.

Used as an Imperial yacht at the naval review in 1905.

From 1921, Prince Takamatsu used it at the Naval Academy.

After Japan's defeat in 1945, the US military seized the ship and renamed it "Dorothy." Returned to Japan in 1949, sold to Shima Koun. She was renamed "Hatsukaze" and became a tourist boat. At this time, her engine was converted from steam to diesel. On March 18, 1950, she ran aground off the coast of Toba and was abandoned.[1]