Reiji opens Kirio Drugstore for another day of business. Together with wolf girl Noela and Mina the ghost he enjoys a slow-paced life. That's when he encounters the young man Zeral as he's being chased by a girl wielding a knife. He begs Reiji to help him, and Reiji somehow manages to calm the girl down. The girls' name is Feris, and the two of them are engaged. However, she apparently worries far too much. Even so, her behavior seems exceptionally strange, so Reiji is hired to treat her. What does Reiji make for her?!