Mariko, a yoga instructor, develops feelings for her student Rika. Noticing bruises, she learns Rika is in an abusive relationship. To win Rika's affection, Mariko takes revenge on the men m... Read allMariko, a yoga instructor, develops feelings for her student Rika. Noticing bruises, she learns Rika is in an abusive relationship. To win Rika's affection, Mariko takes revenge on the men mistreating her.Mariko, a yoga instructor, develops feelings for her student Rika. Noticing bruises, she learns Rika is in an abusive relationship. To win Rika's affection, Mariko takes revenge on the men mistreating her.