Her Memory Back, She Wipes Them Out

Maren, daughter of the Morgans, is a useless nobody who can't even awaken her ability. When she and her half-sister Nadia are kidnapped, her family and fiancé only want to save Nadia. Desperate, she regains her lost memory as a SSS-rank with two opposite powers. She was adopted by Jack, Commander of the Shadow Mercenary Group, but Jack was betrayed by Frank and imprisoned, and Maren lost her memory in an ambush. Now that she remembers it all, it's time to save her comrades and make the traitors pay.