"My Wife is the Student Council President+!" is a romantic comedy anime that continues the story of Hayato Izumi and Ui Wakana, two high school students whose lives become intertwined due to an unusual arrangement. The series builds on the premise established in its first season, where Ui, the student council president, moves in with Hayato after her family loses their home. This living situation stems from a promise made by their parents years earlier, which dictates that Ui and Hayato are to be married. Despite their initial reluctance, the two gradually grow closer, navigating the complexities of their relationship while dealing with the comedic and often awkward situations that arise from their cohabitation.

The narrative explores the dynamics between Hayato, a reserved and somewhat shy student, and Ui, a confident and assertive leader. Their interactions are marked by a blend of humor and heartfelt moments as they confront their feelings for each other. The series also introduces additional characters who contribute to the comedic and romantic tension, such as Mina Takanashi, Ui's childhood friend and vice president of the student council, who harbors her own feelings for Hayato. Another key figure is Sayaka Takanashi, Mina's younger sister, who often adds to the chaos with her mischievous behavior.

Throughout the series, the plot delves into themes of young love, responsibility, and the challenges of balancing personal emotions with societal expectations. The episodic structure allows for a mix of lighthearted scenarios and more serious moments, as the characters navigate school life, relationships, and their evolving bond. The anime maintains a focus on the romantic development between Hayato and Ui, while also incorporating comedic elements that stem from misunderstandings, rivalries, and the absurdity of their situation.

The series is characterized by its blend of romantic progression and situational comedy, with a tone that balances playful humor with moments of genuine emotional connection. The characters' growth and interactions drive the narrative, creating a story that is both entertaining and engaging for fans of the romantic comedy genre.