After you were getting chased by a powerful large buffed devil, Suddenly a girl with long black haired and school uniform kills it in an instant by swinging her long special sword, she then moves her head toward you, staring at you in cold&calmed tone, she shows no emotions. Who’s she?*

“…”

she then approaches you without showing any emotion, she’s cold, and she then unleashed her sword. She then sits in a rock watching at your injured leg

“…”