All 40 costumes of Hanami Saki in-game, with their unlock conditions — taken from the publisher's own released data (Costume.yaml).
Junk Road (ガラクタロード)
Obtained by pulling Hanami Saki in the "Junk Road (ガラクタロード)" gacha banner
Junk Road (ガラクタロード)
Obtained when Hanami Saki ("Junk Road (ガラクタロード)" version) reaches Talent Bloom stage 4
GO MY WAY!!
Obtained by pulling Hanami Saki in the "GO MY WAY!!" gacha banner
Wildest Flower
Obtained by pulling Hanami Saki in the "Wildest Flower" gacha banner
Wildest Flower
Obtained when Hanami Saki ("Wildest Flower" version) reaches Talent Bloom stage 4
ENDLESS DANCE
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Let's Charge Forward! (がむしゃらに行こう！)
Obtained by pulling Hanami Saki in the "Let's Charge Forward! (がむしゃらに行こう！)" gacha banner
Miracle Nanau! (ミラクルナナウ(ﾟ∀ﾟ)！)
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Howling over the World
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Iris After the Rain (雨上がりのアイリス)
Obtained by pulling Hanami Saki in the "Iris After the Rain (雨上がりのアイリス)" gacha banner
Iris After the Rain (雨上がりのアイリス)
Obtained when Hanami Saki ("Iris After the Rain (雨上がりのアイリス)" version) reaches Talent Bloom stage 4
Cherry Blossom Photograph (桜フォトグラフ)
Obtained by pulling Hanami Saki in the "Cherry Blossom Photograph (桜フォトグラフ)" gacha banner
Cherry Blossom Photograph (桜フォトグラフ)
Obtained when Hanami Saki ("Cherry Blossom Photograph (桜フォトグラフ)" version) reaches Talent Bloom stage 4
As the Snow Melts (雪解けに)
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Happy Millefeuille (ハッピーミルフィーユ)
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Campus mode!!
Obtained by pulling Hanami Saki in the "Campus mode!!" gacha banner
Campus mode!!
Obtained when Hanami Saki ("Campus mode!!" version) reaches Talent Bloom stage 4
White Night! White Wish!
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
A Piece of Cake, Anytime Anywhere (古今東西ちょちょいのちょい)
Obtained by pulling Hanami Saki in the "A Piece of Cake, Anytime Anywhere (古今東西ちょちょいのちょい)" gacha banner
A Piece of Cake, Anytime Anywhere (古今東西ちょちょいのちょい)
Obtained when Hanami Saki ("A Piece of Cake, Anytime Anywhere (古今東西ちょちょいのちょい)" version) reaches Talent Bloom stage 4
Costume Rhapsody (仮装狂騒曲)
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Crowning Chrysanthemum (冠菊)
Obtained by pulling Hanami Saki in the "Crowning Chrysanthemum (冠菊)" gacha banner
You and Semi-Blue (キミとセミブルー)
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Boom Boom Pow
Obtained by pulling Hanami Saki in the "Boom Boom Pow" gacha banner
Boom Boom Pow
Obtained when Hanami Saki ("Boom Boom Pow" version) reaches Talent Bloom stage 4
Fighting My Way
Obtained by pulling Hanami Saki in the "Fighting My Way" gacha banner
Fighting My Way
Obtained when Hanami Saki ("Fighting My Way" 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 Hanami Saki's Path to Idol
Gleam of Platinum (プラチナの輝き)
Clear Stage 15 of Hanami Saki's Path to Idol
Gleam of Jet Black (漆黒の輝き)
Clear Stage 25 of Hanami Saki'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 Hanami Saki's Master Achievement to Rank 3
Cherry Blossom Sailor (桜セーラー)
Purchasable directly in the costume shop
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 via a costume bundle pack (or other means)
