https://myanimelist.net/anime/58146/Tensei_Akujo_no_Kuro_Rekishi
Funnily enough though i got interested in it today though.. it is not the first time i heard of it... but... for some reason... poo pooed it.. (or maybe not..? maybe i did so because i do not watch anime anymore.. i should though.. i should...)

OOOH!!! the manga is licensed thoooouuuugh.. ;o; maybe i should get that.. if i remember to bring my kindle downstairs...