Mama Wa Taimanin (ママは対魔忍)

Taimanin fight tirelessly to pursue a path of righteousness.
Though some choose to dedicate their entire lives to the cause—
Some choose to leave the Taimanin to live an ordinary life.
An ex-Taimanin is living happily with her family, but evil approaches.
What path will the ex-Taimanin take—!