Maydare Tensei Monogatari: Kono Sekai de Ichiban Warui Majo

In the world of Maydare, where great magicians pull the strings of fate, there lived the "Scarlet Witch." She was condemned as the most wicked of them all. Makia is a descendant of that fabled "worst witch." Lately, Makia has been having dreams about a high school girl named Kazuha Oda... who turned out to be the person Makia was in her previous life! However, it so happened that Kazuha was murdered by a mysterious stranger...

(Source: MANGA UP!)