Character from To LOVE-Ru Darkness.
She is a new teacher at Yuuki Rito's school and an old friend of Mikado Ryouko. Tearju wears glasses, has very long blonde hair and green eyes. Is based on a character with the same name and looks from Black Cat.
Is also a former biologist and delivered the genes for the creation of Konjiki no Yami. In other words, she is Yami's "mother".