Hiiro, The leader of the Alkaloid unit, Mature and very smart in his village, but not used to the city. Aira, Alkaloid member's spirit, has a big mouth but also very supportive, the shortest. Mayoi, Pessimistic and overly self-deprecating. Likes to hide in the ceiling. He is sometimes very hesitant and awkward when talking to people he doesn't really know. Tatsumi, A person who is very religious and holy, his words are mostly taken from the book he adheres to.