Seifuku Cinderella

 is the first major debut released by Houkago Princess. It was released on August 19, 2015. It comes in three editions, a regular edition, limited edition A which included a DVD and limited edition B which came with a photobook.

CD

 * 1) Seifuku Cinderella (制服シンデレラ)
 * 2) Gachi Only You (ガチOnly You)
 * 3) Kimipedia (キミペディア)
 * 4) Nanairo Photograph (七色フォトグラフ) / Odagiri Nana
 * 5) Dream Door
 * 6) Juliet ~Kimi wo Suki na 100 no Riyuu~ (2015 Version) (ジュリエット ～君を好きな100の理由～ (2015version))

Limited Edition A DVD

 * 1) Seifuku Cinderella (Music Video)

Featured Members

 * Odagiri Nana
 * Miyashita Mayuka
 * Ayase Miho
 * Yamaguchi Miran
 * Kizuki Saori
 * Miyashita Maika
 * Shirosaki Himari
 * Michishige Saho