Noroi no Shoutaijou

If you have someone you hate so much that you want them to die, visit the sorcerer Kai.
He will give you what you wish, in exchange for only ten years of your own life.

(Source: Bunkasha, translated)

Volume 1: Maikyuu no Shoujo (迷宮の少女)
Volume 2: Cinderella no Yakata (シンデレラの館)
Volume 3: Tanjoubi ni Korosareru (誕生日に殺される)
Volume 4: 1/2 no Akuma (1／2の悪魔)
Volume 5: Ishi no Candy (石のキャンディー)
Volume 6: Hoshinaki Yoru ni (星なき夜に)
Volume 7: Hana no Kiseki (華の軌跡)
Volume 8: Matenrou no Shita de (摩天楼の下で)
Volume 9: Koufukugari (幸福狩り)
Volume 10: Shirayuki Jigoku-hen (白雪地獄変)
Volume 11: Menou no Noroi...