Ryoka Oshima

Sailor Zombie was a TV-Tokyo Drama which featured members of AKB48 in its main casts, some of their guests are also from AKB48. It's title theme song Sailor Zombie was sung by the sub-unit Milk Planet who are also in the Drama as narrators.

Shiratama Sayako has never experienced much good luck. Since she was a child, she dreamed of becoming an architect. She studied hard, but she repeatedly failed her university entrance exams. Now, she is 30 years old and works in a field far away from her ideal job. One day, she happens to meet mysterious university student Ogasawara Taku. She tells him about her past dream of becoming an architect. Ogasawara Taku tells her that it is never too late and that she can still get accepted into a university. Inspired by their talk, Shiratama Sayako decides to study once again for her university entrance exams. After she studies so hard, she finally gets accepted into a university. There, Shiratama Sayako meets Ogasawara Taku again, who is a senior in the architecture department.

Aliens have been emigrating to Earth secretly, but only a handful knows about this truth. Living in such a society, the main character Hiroyuki Kudo begins working at a private security organization E.G.I.S. (Enterprise of Guard and Investigation Services). The organization takes care of cases related with aliens, and Hiroyuki works day and night to protect peace. However, there lies a huge secret in him, which he himself is not aware of. He carries Ultraman Taiga’s “particle of light”. The new story begins as Taiga’s powers revive from Hiroyuki’s body!