Also known as: 路地裏さつき
A Type-Moon April Fools joke for April 1, 2013. A visual novel-style game following Bronze Heroines Satsuki, Riesbyfe, Sion, Ciel (Tsukihime), and Mysterious Heroine X (Fate) as they seek to climb through the twelve palaces of the Gold Heroines based around the Chinese Zodiac and parodying Saint Seiya's Sanctuary arc.
Bronze Heroines
Gold Heroines
- Rat System Idol Ayaka (ネズミ―系アイドルAYAKA)
- Armed Gorgon (アームドゴルゴーン)
- Idol Emperor Red Saber (アイドル皇帝赤セイバー)
- Decapitating Bunny (首切りバニー両儀式)
- CCC 48 Red Lancer (CCC48赤ランサー)
- Sickly Quarantined Younger Sister Idol (病弱隔離妹アイドル石杖カナタ)
- Unidentified Flying Idol (未確認飛行アイドル蒼崎青子)
- Fluffy Idol Morcueid (ふわふわアイドルモコクェイド)
- JK Idol Hinooka Homura (JKアイドル日ノ岡ほむら)
- Red and White System Idol Mega Cherry Blossom Child (紅白系アイドルメガ林桜子)
- God's Wind Magical Girl Jeanne (神風魔法少女ジャンヌ)
- Interviewer Akiha (面接官秋葉)
- Ultimate Satsuki (アルティメットさつき)