The former owner of "Mysterious Wares Shop Akatsuki" who creates mysterious wares herself. She's currently only 9 years old, but she retained her memories of her past life where she lived to be a 103 years old. She's great at taking care of people but she also likes to provoke people when she can. When she knows she can win in a fight, she tends to do dangerous things.

Dr. Ramune Mysterious Disease Specialist
As long as hearts exist inside people, there will always be those who suffer. And then something "strange" enters their mind and causes a strange disease to manifest itself in the body. The illness, which is called a "mystery disease" is unknown to most, but certainly exists. There is a doctor and apprentice who fights the disease, which modern medicine cannot cure. His name is Ramune. He acts freely all the time, is foul-mouthed, and doesn’t even look like a doctor! However, once he is confronted with the mysterious disease, he is able to quickly uncover the root cause of his patients' deep-seated distress and cure them. And beyond that...