Koneko Toujou

Rank/Role: Lowclass devil Former nekomata/Rook Power: Youjutsu A 10th grade student. Originally about to be executed by the devils after her sister Kuroka kills her own master. The Satan Lucifer protected her and left her under his sisters Rias care becoming her servant. She refused to use the power of youjutsu because she didnt want to become like her sister. She overcame her power along with Akeno after Issei made her overcome her own powers. She doesnt show any emotion at all and says harsh things and hits Issei when he is doing or thinking something perverted. She shows the most concern for her comrades when they are in trouble.