Author Emi Mitsuki revealed on her Twitter on January 19th that the seventh volume of the manga Mahou no Tenshi Creamy Mami Fukigen na Ohime-sama will be the final volume.
Synopsis
Morisawa Yuu is a precocious 10-year-old girl who one day spots a spaceship. In return for being helpful to the alien piloting the UFO, she receives magical gifts that she can use for a year, along with the company of two cats whose mission will be to guide her.
Mitsuki launched the Mahou no Tenshi Creamy Mami spinoff Coamix in December 2018.
Source: ANN