What you are watching is the First promotional of Yahari Ore no Seishun Love Come wa Machigatteiru. Zoku sequel.
The Cast will feature Saori Hayami as Yukino Yukinoshita; Nao Toyama as Yui Yuigahama; Takuya Eguchi as Hachiman Hikigaya; and Ayane Sakura as Kaori Isshoku.
Kei Okawa (Outbreak Company) will be the new Director Yuichi Tanaka (A Certain Scientific Railgun) will be the new Character Desginer.
The Sinopsys (made by Crunchyroll) on the first season is:
So exactly what's going to happen when Hachiman Hikigaya, an isolated high school student with no friends, no interest in making any and a belief that everyone else's supposedly great high school experiences are either delusions or outright lies, is coerced by a well meaning faculty member into joining the one member "Services Club" run by Yukino Yukinoshita, who's smart, attractive and generally considers everyone in her school to be her complete inferior?