A costume/theme from Love Live! Sunshine!! voted by fans for Kurosawa Dia, Tsushima Yoshiko and Takami Chika for their trio single Party! Party! PaPaPaParty! in a late October 2020 issue of Love Live! Days by Dengeki G's magazine to be part of Aqours' second duo and trio collection CD. The trio is also known as "GuuRinPa" (ぐ～りんぱ) from when their respective seiyuu were hosting Uraraji radio broadcasts for the series. The name is a combination of one character each from the host actresses' last names: "Guu" (宮, "Guu") from Komiya (小宮, Komiya, after Dia's seiyuu, Komiya Arisa), "Rin" (林, "Rin") from Kobayashi (小林, Kobayashi, after Yoshiko's seiyuu, Kobayashi Aika), and "Ha" (波, "Ha") from Inami (伊波, Inami, after Chika's seiyuu, Inami Anju), forming "GuuRinPa".