Hotaru is a calm and joyful girl, who was shaken by being abandoned by her family. She still has high hopes that her family will be united again. Although it is highly implied that Gato is possibly her missing brother, nothing officially states that this claim is true. Itokatsu seems to warm up to him and Hotaru declares that he is based on woman's intuition. However, if this scenario is true, then Hotaru knows nothing about why Gato left their home or the real reason behind her