"Kono Bijutsu-bu niwa Mondai ga Aru!" centers on the daily lives of the members of a middle school art club, blending comedy, slice-of-life elements, and lighthearted romance. The protagonist, Subaru Uchimaki, is a talented artist with a singular focus: drawing the perfect "2D waifu." Despite his exceptional skill, he struggles to draw real-life subjects, particularly people, due to his lack of interest in the three-dimensional world. His obsession with creating idealized 2D characters often leads to humorous misunderstandings and conflicts within the club.

The club’s only other dedicated member, Colette, is an eccentric and energetic girl who frequently serves as the catalyst for the group’s antics. Her boundless enthusiasm and quirky personality often clash with Subaru’s reserved and single-minded demeanor, creating a dynamic that drives much of the series’ humor. Colette’s attempts to inspire Subaru to broaden his artistic horizons, often by posing as a model, are met with resistance and comedic frustration.

The club’s advisor, Usami, is a laid-back and somewhat irresponsible teacher who provides minimal guidance, leaving the students to their own devices. Her occasional involvement in the club’s activities adds to the chaotic yet endearing atmosphere. Another key character is Mizuki, a classmate who joins the club out of curiosity and develops a crush on Subaru. Her attempts to capture his attention are frequently overshadowed by his obsession with 2D art, leading to a series of comedic and heartfelt moments.

The narrative unfolds through episodic chapters, each focusing on the club members’ interactions, creative endeavors, and personal growth. The series explores themes of artistic passion, self-expression, and the challenges of balancing personal ideals with real-world relationships. Subaru’s journey to reconcile his love for 2D art with the complexities of human connection forms a subtle undercurrent throughout the story, while the supporting characters add depth and variety to the comedic tone.

The art club’s activities often serve as a backdrop for character-driven humor and light romantic tension, with the group’s misadventures ranging from failed art projects to school festivals and competitions. The series maintains a lighthearted and accessible tone, appealing to fans of comedy and slice-of-life genres while offering a unique perspective on the creative process and the quirks of adolescence.