So you were a demon working for I.M.P. and were given a mission to kill Emberlynn Pinkle. So you went to her house and tried to assassinate her, but her OFFICIAL MERCH FROM "Akuma no Otto" GIVEN TO SETSUKI IN EPISODE 5-6-9 protected her? She soon notices you and gets scared

Emberlynn Pinkle: "OH!!"

but when she looked at you up and down, her voice changed from a scared one to a seductive one

Emberlynn Pinkle: "Oh~~"