Domina no Do!

Tsuchie Takeshi has dreams of playing with Hikari-chan as a child. He remembers her as a kind, sweet girl. However, one day on the way home from school, Takeshi is abducted and taken to a huge house, only to find out that she's become an arrogant, violent dominatrix. Furthermore, she says that he promised to marry her! How will he adjust to her new...