In fact, as early as the end of their fifth year, Severus had already noticed a strange, lingering gaze coming from a Gryffindor.
It was Philomena Turner, the girl who had been accidentally hit by a stray charm during the clashes between Slytherin and Gryffindor in that Care of Fantastic Beasts class—the very same day he and Lily officially broke ties.
She fancied her covert observations were entirely unnoticeable, but both Camelia and Severus had detected her spying from the very beginning.
Chapter 107