Keita Ōba

大叶圭太 大葉 圭太（おおば けいた）

Gender:Male

A boy who was a member of the idol group "LOVE♡Infinite" and was followed by Kadode during her middle school days. His nickname is "Kei-chan". His blood type is A. He went missing after "8.31" and was declared dead by his family's wishes, but suddenly appeared in front of Kiho in episode 8, speaking the language of the invaders. It was an invader using Keita's appearance, secretly living as a human.