It's for Thy Sake - S1.E2

Saya keeps spending her days happily at school while hiding her duties as a hunter of Furukimono from her classmates. Itsuki Tomofusa, the class president, does his best to have Saya respond to his feelings without success, while she shows concern for Shinichirō Tokizane, another classmate who rarely speaks to her, but usually watches her from afar.