Seiren Co. was created in 1923.
The name "Seiren"describes someone whose heart is clean and pure and shows no personal greed.
Co-Co - band - was created in 1976.
Funny How Sweet Co-Co Can Be was created in 1971-11.
In "Vampire Knight," the power of a Pureblood vampire is known as a "Seiren." These powers vary among Pureblood vampires and can include abilities such as enhanced strength, speed, and senses, as well as the power to control others through mental manipulation or illusions. Each Pureblood vampire's Seiren is unique to them and can be inherited by their offspring.
Crane Co. was created in 1855.
Werner Co. was created in 1922.
Epoch Co. was created in 1958.
Bookcity Co. was created in 1996.
Bantrel Co. was created in 1983.
Speiron Co was created in 2006.
Camair-Co was created in 2006.
Spread Co was created in 2006.