On March 4, 2016, Polkadot Stingray made their first nationwide release with "Telecaster Stripe" (テレキャスター・ストライプ) as a digital single.
In 2017, Polkadot Stingray released their first major-label extended play, Dai-Seigi (大正義), on April 26, with the leading track, "Electric Public" (エレクトリック・パブリック).
The extended play was recorded with Hiromi Hirohiro from Tricot and Igarashi from Hitorie on bass due to Uemura injuring his arm.
[4] In February 2018, Polkadot Stingray announced that they were releasing the extended play Ichidaiji (一大事) in May, with its leading track, "Ichidaiji", as the theme song to the live-action film adaptation of Missions of Love.
"[7] Polkadot Stingray performed the ending theme to the anime Godzilla Singular Point with the song "Aoi" (青い, Blue).