Sosuke Hinojiki

Sosuke Hinojiki (日喰想介, Hinojiki Sosuke) is a jinyo (humanoid ayakashi) born from an ikon. After his death, he was rescued and revived by Shadow Mei to be her ally. He currently works as a butler for the Tsukioka family.

Appearance
In his human form, Sosuke is of average height. His hair is green and his eyes are brown. Formerly, Sosuke had the appearance of a handsome boy using this to blend in with humans. He was wearing Suzu and Matsuri's high school uniform. In his former appearance, he used to have short, combed hair. After his resurrection due to the injuries caused by Matsuri, he used a patch on one of his eyes, in addition to the fact that he has bandages all over his body, he wears a cape and a sack. In addition to having his hair disheveled.

Personality
At first Sosuke only thought about his own well-being by hunting the ayakashis for food. Like Shirogane, he wanted to eat the Ayakashi Maiden since thanks to her great power he would not be hungry for a while. After his resurrection, Sosuke only thought of taking revenge on Matsuri and Suzu, although seeing Shadow Mei's true plans and being used by her made him change his mind. After being rescued by Matsuri and Suzu, Sosuke understands the feelings of humans.

Plot
Sosuke came to Suzu's high school in search of the ayakashi priestess to help an injured ayakashi. Suzu accompanies him and heals the ayakashi, Sosuke thanks her and proceeds to eat him terrifying Suzu. Sosuke takes Suzu to a place so they won't be interrupted in their snack, Matsuri, Shirogane and Soga go to Suzu's rescue, Matsuri enters the place and after fighting defeats Sosuke who ends up exorcised. After their fight, Sosuke would wake up again thanks to Shadow Mei who would recruit him as his lackey. Some time later, Sosuke appears before Matsuri and Soga who follow him to the place where Shadow Mei was, after a fight with her, Sosuke shows her true form paralyzing Matsuri. Sosuke together with Shadow Mei go to where Suzu is so that Shadow Mei can possess her, after being injured by Matoi, Shadow Mei and Sosuke leave. Then, Sosuke goes to where Suzu and Matsuri are to face them but ends up losing to Suzu, seeing Suzu's kindness, Sosuke decides not to attack them but Shadow Mei takes control of Sosuke and he begins to transform into an uncontrolled monster. After a battle in the mirror world, Suzu and Matsuri manage to make Sosuke revert to his old form. Sosuke thanks them and leaves the place determined not to cause more trouble.

Shapeshifting
Not having a specific appearance, Sosuke can modify parts of his body to transform them into weapons.