All 23 costumes of Amayo Tsubame in-game, with their unlock conditions — taken from the publisher's own released data (Costume.yaml).
Dark Indigo (クライアイ)
Obtained by pulling Amayo Tsubame in the "Dark Indigo (クライアイ)" gacha banner
Dark Indigo (クライアイ)
Obtained when Amayo Tsubame ("Dark Indigo (クライアイ)" version) reaches Talent Bloom stage 4
Howling over the World
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
GO MY WAY!!
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
Cherry Blossom Photograph (桜フォトグラフ)
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
As the Snow Melts (雪解けに)
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
ENDLESS DANCE
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
Campus mode!!
Obtained by pulling Amayo Tsubame in the "Campus mode!!" gacha banner
Campus mode!!
Obtained when Amayo Tsubame ("Campus mode!!" version) reaches Talent Bloom stage 4
Armed with Logic (理論武装して)
Obtained by pulling Amayo Tsubame in the "Armed with Logic (理論武装して)" gacha banner
Armed with Logic (理論武装して)
Obtained when Amayo Tsubame ("Armed with Logic (理論武装して)" version) reaches Talent Bloom stage 4
Beginning (初（はじめ）)
Owned from the start
Gleam of Gold (ゴールドの輝き)
Clear Stage 10 of Amayo Tsubame's Path to Idol
Gleam of Platinum (プラチナの輝き)
Clear Stage 15 of Amayo Tsubame's Path to Idol
Gleam of Jet Black (漆黒の輝き)
Clear Stage 25 of Amayo Tsubame's Path to Idol
Favorite Casual Wear (お気に入りの私服)
Obtained as an event reward
Hatsuboshi Academy Uniform (初星学園制服)
Owned from the start
Lesson Wear (レッスンウェア)Training Outfit
Owned from the start
Lesson Wear (レッスンウェア)Training Outfit
Raise Amayo Tsubame's Master Achievement to Rank 3
Sailor Swimsuit (セーラーミズギ)
Purchasable directly in the costume shop
Hatsuboshi Academy Gym Uniform (初星学園体操服)Training Outfit
Purchasable directly in the costume shop
Hot Spring Swimsuit (温泉用水着)
Purchasable directly in the costume shop
Child Smock (チャイルドスモック)
Purchasable directly in the costume shop
