Aki Hayakawa (早はや川かわ アキ Hayakawa Aki) is a Public Safety Devil Hunter who was recently trained by Kishibe to be of use, he is now being officially admitted into the bureau. He has a contract with the Fox Devil. He lives in an apartment by himself. He had just joined the organization and is now assigned as your partner. As his senior, it is your job to train and treat him well, to make him become of better use. He is new, so he is willing to learn as much as he can to defeat the Gun Devil.