Anti-Magic Academy: The 35th Test Platoon

Takeru told Ouka, "I won't give up on trying to be your comrade." But then, while visiting a certain grave site, he learns the tragic reason Ouka hates witches. The deep sorrow in Ouka's eyes when she tells Takeru, "other people are obstacles for my revenge," renders Takeru speechless. (Source: Crunchyroll)