Series premieres in July 2024. Check out the ANN article for additional cast/staff information. Synopsis from AniList:

Film enthusiast Mao Tsuchiya and his lone wolf roommate Hisashi Otomo make three promises:

(1) That Mao will never tell anyone that Hisashi is gay and has a boyfriend, (2) That Hisashi will never approach Mao “in that way,” and (3) That they’ll respect each other’s “private time.”

The second-years’ ground rules should ensure a peaceful life together in their dorm, but reality is never as simple as it seems in the movies, and some things are not so easily promised…