Uchi no Kuro Madoushi ga Kawaisugiru!

Aria, an honor student at the magic academy, is a supervisory student who teaches and guides the younger students, but she is troubled by a problem child, Jade. He is a member of a family of black mages and is feared by those around him, but just as Aria comes into contact with him, she hears a strange voice. Aria is afraid of him, but when she comes into contact with him, she hears a strange voice: "Bitch (isn't she too cute?)"

This is the voice of his heart! Aria is a young girl who is in love with a man who is a little too cute for her own good!