The Witch's Coffin

(from ebookjapan):
Mako Hitsugi, a girl of dazzling beauty. Her true form is a witch who uses her beauty as a weapon to sanction evil!　Today's target is Kurobe, a politician who wins the support of women with his sweet mask and handshake tactics. At first glance, he appears to be a nice young man, but behind his back, he is a black-hearted man who is overconfident in his looks and sees women only as tools for his election campaign....