According to official website, it has announced that voice actresses Yui Horie and  Marina Kawano will be performing the theme songs of upcoming supernatural anime series Nekomonogatari: Kuro.

Yui Horie who voices class representative Tsubasa Hanekawa in the Bakemonogatari and Nisemonogatari, will be singing the opening “perfect slumbers” while Marina Kawano will be performing the closing theme “Kieru Daydream”. Both songs were composed and arranged by Satoru Kousaki (Monaka).

Series will premiere on December 31 from 10:00 p.m. to 12:00 a.m. in Japan.

Adaption of the 6th book in the Monogatari series, containing the Tsubasa Family Arc and featuring Hanekawa Tsubasa.

via Anime News Network