"Nijiyon Animation 2" is a short-form anime series that serves as a spin-off of the popular multimedia franchise "Love Live! Nijigasaki High School Idol Club." The series focuses on the daily lives and humorous interactions of the members of the Nijigasaki High School Idol Club, a group of students who come together to create music and performances as school idols. Each episode is brief, typically running for a few minutes, and features lighthearted, slice-of-life scenarios that highlight the personalities and quirks of the characters.

The narrative revolves around the club members as they navigate their school lives, friendships, and shared passion for music. The series does not follow a continuous plot but instead presents standalone vignettes that explore the dynamics between the characters. These vignettes often emphasize comedic moments, playful misunderstandings, and the camaraderie within the group. The characters include Ayumu Uehara, a cheerful and determined girl who serves as the club's driving force; Setsuna Yuki, a passionate and energetic performer; and Kasumi Nakasu, a bubbly and mischievous member who often adds humor to the group's interactions. Other members, such as Shizuku Osaka, a reserved and thoughtful girl, and Emma Verde, a kind-hearted transfer student, contribute their unique traits to the ensemble.

The series also incorporates elements of the idol culture central to the "Love Live!" franchise, with occasional references to performances, songwriting, and the challenges of balancing school life with their idol activities. However, the focus remains on the characters' everyday experiences rather than the competitive aspects of being idols. The tone is consistently light and upbeat, with an emphasis on humor and the bonds between the characters. "Nijiyon Animation 2" serves as a companion piece to the main "Love Live! Nijigasaki" series, offering fans additional insights into the personalities and relationships of the beloved characters.