Reimu smiled as she continued to evade the demon's blows, but frowned when she noticed his growing arousal.  A small wave of fear flowed through her, realizing that he's still up and able to fight fairly well for being stabbed so much.  She wondered if attacking him in the first place was the right idea, but shook her head.  Too late to worry about that now, she thought, and instead focused on continuing to stab the incubus, this time feinting an attack at his chest to slash at the back of his knee.