Oda Nagatsuke(1547 - January 24, 1622) was the younger brother of Oda Nobunaga and a famous tea man from the Amoto Momoyama period to the early Edo period.

He is the youngest son of Nobu Oda, his young name is source five(Also called Genorang), known as Youle Zhai Ru 'an, and many later generations call him Yurakuo Oda¡¢ Oda Yurakusai¡£

At first, he served under Nobunaga's eldest son Nobunaga Oda, and fled Kyoto during the changes in Inninja Temple. After the change of Yingfu Temple, he served Nobo Oda as an official, taking the Wei Guozhi Duojun as his territory. Later, he abandoned his territory and shaved his hair. He served as an official, Fengchen Xiuji, and led the 2,000 stone stone tongue of the Jin State.

During the Battle of Sekigahara, he belonged to the Eastern Army, and he received 30,000 stones from Yamato. (At this time, he set up a temple in the main courtyard of Kenin-ji Temple in Kyoto, and created a tea ceremony with music flow.) After that, he went to Osaka Castle to serve as an official and help his niece - Yodo Temple -. Osaka was still in Osaka City during the Winter Formation, but was suspected of being a spy of the Edo Shogunate. He left the city before the Osaka Summer Formation on suspicion of collusion with the enemy and has since lived in seclusion in Kyoto.

He once learned the tea ceremony from Chirikyu and was known as one of the Seven Zhe of Chirikyu. He revived the Zhengchuan Institute of Jianren Temple in Kyoto and built a tea room such as a temple (a national treasure).

There is now a Yurakucho in Chiyoda District, Tokyo, named after the place where Yurakucho lived, and the remains of the house where he lived still exist. There is also a Yurakucho in Osaka City where Yurakucho lived (according to ancient maps, the location should be near the World Tea House in Nisei District, Osaka City (near the World Tea House Station of Nanami Electric Railway and Osaka City Subway), but it no longer exists due to multiple regional rezoning after the war.