Reincarnation of Beastmaster

"I can't kill her!" Tricked by her family, Marisa sacrificed herself to the giant magical beast, Fenrir. However, the situation takes a sharp turn when she remembered that she was the grandson of a saint who mastered warfare in her previous life. She quickly escapes from her predicament, and stroke back to her family, who tricked her. Accompanied by Fenrir, who behaved well, they start their life as an unrestrained adventurer. Source: Micro Magazine