Kaguya-sama: Love is War Season 3 released a new trailer featuring the opening song “GIRI GIRI” by Masayuki Suzuki ft. Suu, and ending song “Heart wa Oteaga” by Airi Suzuki. It also features additional anime scenes for the upcoming season. The anime is scheduled for April 8. 

Crunchyroll describes the anime as:

From a good family? Check! A good personality? Check! Shuchiin Academy is where all these elite students with bright futures flock to. As the two leaders of the student council, Kaguya Shinomiya and Miyuki Shirogane have supposedly fallen in love… But after almost half a year, nothing has happened!? They both have too much pride and can’t be honest. Things have gotten troublesome, and they are now caught in a war of “How to get the other to confess their love first.” This is a whole new romantic comedy, following an outbreak of cunning warfare between two elite students in love.

Kaguya-sama: Love is War Season 3‘s staff includes returning names like Mamoru Hatakeyama as director, Yasuhiro Nakanishi as series composer, Yuuko Yahiro as character designer, Risa Wakabayashi as art director, Kanako Hokari as color designer, Masaharu Okazaki as photography director, and Kei Haneoka as music composer. Also reprising their roles are Hiroshi Yakou, Yuuko Hariba, and Kii Tanaka (Kaguya-sama: Love is War Season 2 only) as chief animation directors. A-1 Pictures is once again the animation production company.

Meanwhile, the returning cast includes Aoi Koga as Kaguya Shinomiya, Makoto Shirokawa as Miyuki Shirogane, Konomi Kohara as Chika Fujiwara, Ryouta Suzuki as Yuu Ishigami, Yumiri Hanamori as Ai Hayasaka, and Yumi Tomita as Miko Iino. 

Source: Kaguya-sama: Love is War Twitter