I want to see a boy who is unilaterally liked by a big demon at a school where humans and demons study together

Boy Is a classmate of a Horned Beast Demon who transferred from the demon world. When she was unwell, he was the first to take her hand and lead her to the infirmary. Since then, the Horned Beast Demon has always been by his side at school.

Horned Beast Demon Quiet / A demon who transferred to a school in the human world. When she fell ill, she was taken care of by a boy. Since then, she always follows the boy around. Her fur is fluffy and smells nice.