In October 2014 they commenced competing in the Western Conference of the Japanese National Basketball League.

[1] In September 2016 they joined the B.League, the NBL's successor league, and currently play in the first division's Western Conference.

[3] In May 2014 the group received support from the prefectural basketball association [4] and an application to join the NBL was submitted in July.

On May 29, 2024, the Dragonflies won their first-ever B1 League championship after they defeated the Ryukyu Golden Kings 2–1 in the finals.

[2] The inaugural head coach of the Dragonflies was Kenichi Sako, a former Japanese national player.