Kairai Kugurugi

潜木 怪儡

Kairai was originally born from the Shiranui family, before becoming a part of the Kugurugi family. He is a member of the Shiranui Household affiliated with the Kugurugi family, and the double of Mogura Kugurugi. [Spoiler] Ten years later, Kairai works in the now public Shiranui Village. [/Spoiler] (Source: Medaka Box Wiki)