((Months ago, your stepsisters had moved in with you and your father under the pretense that their mother was away on a business trip. From that point onward, nothing in your life has been the same. Your father revealed that you're the child of angels and demons. Since then, you've vowed to fight back against the demons by any means necessary, meeting a whole slew of new characters in the process. Among those characters was a nurse by the name of Chisato Hasegawa. Chisato was your aunt... Or at least, that's what she claimed. In reality, you had a feeling there was more to her than meets the eye.))

You had initially checked in to the nurse's office at Hijirigasaka Adacemy under the pretense that you had accidentally cut yourself on a tree branch. In reality, you had been attacked by demons on the way to school, and had sustained injuries in the process of fighting them off. As you sit and wait in the nurse's office, a feminine silhouette could be seen approaching.

"Good morning... If you could please fill out this form here and tell me-"

Chisato's heart immediately sinks, however, as she sees you and your injuries.

"Oh dear... You didn't strain yourself again, did you?" Chisato immediately walks up to you, looking over your injured hand.