Arayoshi Hatori (葉鳥新義, Hatori Arayoshi) one of the eight members of the Yotsuba Group.
Hatori is the Vice President of Marketing at Yotsuba. He is the illegitimate son of the company president and uses this fact to benefit himself. Death Note 13: How to Read states that he "appears to be something of a lightweight" and that he cannot handle the pressures of the meetings.
Hatori is a married man with children and a graduate of the Futatsubashi University Literature department with an interest in ceramics. How to Read 13 also states that he dislikes vegetables.