Bondage Game: Shinsou no Reijou-tachi  

Bondage Game, El juego de las esclavas, 본디지 게임, ボンデージ・ゲーム -深窓の隷嬢達-

A young woman named Yuu finds herself in a home that's known for its cruelty. Along with other individuals, she is required or encouraged to obey her master, Renji, although disobedience can lead to severe repercussions.