The Bougainvilleas are members of the Bougainvillea Chapel. It s a subsidiary church under the Holy Cathedral of Gordius which functions as watchers of the Whiteland. Established ten years prior to the Black Parade Operation, the Bougainvilleas are information provider. Double agent as spies, their color scheme is white and purple.  

The chapel members are divided into groups of hierarchy, each has ten members according to aspects of their specific subject. So far, two groups are recorded.

Within social context, these characters explore different facets of politics and nationality in relation to masculinity, war and religion.