Hajime Sakaguchi

As Alice Sakaguchi's younger brother, this character is fiercely protective of his sister, driven by a deep desire to ensure her safety. He strongly objects to Alice's planned engagement to Rin, stemming from his concerns over her happiness and his negative feelings towards Rin. Ultimately, he seeks assistance from Jinpachi to thwart the engagement, as Jinpachi's genuine care for Alice inadvertently reveals the secret arrangement. He is the sole family member who fully accepts Alice's supernatural abilities and associated lore.