All 40 costumes of Shinosawa Hiro in-game, with their unlock conditions — taken from the publisher's own released data (Costume.yaml).
GO MY WAY!!
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Junk Road (ガラクタロード)
Obtained by pulling Shinosawa Hiro in the "Junk Road (ガラクタロード)" gacha banner
Junk Road (ガラクタロード)
Obtained when Shinosawa Hiro ("Junk Road (ガラクタロード)" version) reaches Talent Bloom stage 4
ENDLESS DANCE
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
The Unknown Expanse (みちなるひろがる)
Obtained by pulling Shinosawa Hiro in the "The Unknown Expanse (みちなるひろがる)" gacha banner
The Unknown Expanse (みちなるひろがる)
Obtained when Shinosawa Hiro ("The Unknown Expanse (みちなるひろがる)" version) reaches Talent Bloom stage 4
Let's Charge Forward! (がむしゃらに行こう！)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Miracle Nanau! (ミラクルナナウ(ﾟ∀ﾟ)！)
Obtained by pulling Shinosawa Hiro in the "Miracle Nanau! (ミラクルナナウ(ﾟ∀ﾟ)！)" gacha banner
Miracle Nanau! (ミラクルナナウ(ﾟ∀ﾟ)！)
Obtained when Shinosawa Hiro ("Miracle Nanau! (ミラクルナナウ(ﾟ∀ﾟ)！)" version) reaches Talent Bloom stage 4
Sun-Faded (サンフェーデッド)
Obtained by pulling Shinosawa Hiro in the "Sun-Faded (サンフェーデッド)" gacha banner
Sun-Faded (サンフェーデッド)
Obtained when Shinosawa Hiro ("Sun-Faded (サンフェーデッド)" version) reaches Talent Bloom stage 4
Howling over the World
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
A Piece of Cake, Anytime Anywhere (古今東西ちょちょいのちょい)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Cherry Blossom Photograph (桜フォトグラフ)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
As the Snow Melts (雪解けに)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Happy Millefeuille (ハッピーミルフィーユ)
Obtained by pulling Shinosawa Hiro in the "Happy Millefeuille (ハッピーミルフィーユ)" gacha banner
Campus mode!!
Obtained by pulling Shinosawa Hiro in the "Campus mode!!" gacha banner
Campus mode!!
Obtained when Shinosawa Hiro ("Campus mode!!" version) reaches Talent Bloom stage 4
White Night! White Wish!
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Costume Rhapsody (仮装狂騒曲)
Obtained by pulling Shinosawa Hiro in the "Costume Rhapsody (仮装狂騒曲)" gacha banner
Costume Rhapsody (仮装狂騒曲)
Obtained when Shinosawa Hiro ("Costume Rhapsody (仮装狂騒曲)" version) reaches Talent Bloom stage 4
Crowning Chrysanthemum (冠菊)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Contrast (コントラスト)
Obtained by pulling Shinosawa Hiro in the "Contrast (コントラスト)" gacha banner
Contrast (コントラスト)
Obtained when Shinosawa Hiro ("Contrast (コントラスト)" version) reaches Talent Bloom stage 4
You and Semi-Blue (キミとセミブルー)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Scenery (光景)
Obtained by pulling Shinosawa Hiro in the "Scenery (光景)" gacha banner
Scenery (光景)
Obtained when Shinosawa Hiro ("Scenery (光景)" 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 Shinosawa Hiro's Path to Idol
Gleam of Platinum (プラチナの輝き)
Clear Stage 15 of Shinosawa Hiro's Path to Idol
Gleam of Jet Black (漆黒の輝き)
Clear Stage 25 of Shinosawa Hiro's Path to Idol
Favorite Casual Wear (お気に入りの私服)
Obtained as an event reward
Everyday Casual Wear (いつもの私服)
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 Shinosawa Hiro's Master Achievement to Rank 3
Zombie Uniform (ゾンビ制服)
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)
