Masahiko Kida (樹多 正彦, Kida Masahiko) is one of the eight members of the Yotsuba Group.
Kida has short black hair. He is seen wearing a black suit and a pair of glasses.
Kida is the Vice President of Rights and Planning at Yotsuba. Death Note 13: How to Read states that he is "calm and collected, but very calculating" and that he lacks "the ability to deal with surprises."
Kida graduated from To-Oh University's Science department with a degree in psychology. In 1994, he began working for Yotsuba. He collects eye glasses as a hobby and dislikes contact lenses. Both of his parents are biology teachers.
Kida hired Eraldo Coil to discover the name and face of L, alerting L to the group. L sent Aiber to impersonate Eraldo Coil to further investigate the Yotsuba Group. Aiber shook Kida by charging a high price upfront with the threat that if they disagreed with his rates, they would have to pay a bribe for him to be silent. This made the Yotsuba Group think he knows enough and pushed them to hire him. Later, Kida contacted Eraldo Coil (impersonated by Aiber) and invited him to interview Misa Amane, as she was suspected of being the second Kira and would know the identity of L. By Mido, Kida was scratched from the list of suspects to be of the Yotsuba Kira since it was he who put money in the account to hire Coil.