"Tokimeki Memorial ~Only Love~" is a romantic comedy anime series set in a high school environment, centering on the experiences of Riku Aoba, a transfer student who becomes the focal point of attention among several female classmates. The story begins with Riku enrolling at Kibikino Academy, where he quickly garners attention due to his kind-hearted nature and good looks. His arrival disrupts the school's social dynamics, particularly among the female student body, as multiple girls develop feelings for him.

The narrative unfolds through episodic interactions between Riku and the various female characters, each representing distinct archetypes commonly found in romantic anime. These include Sayuri Amamiya, a cheerful and athletic girl; Mina Amemiya, a shy and reserved classmate; Tsukasa Kasuga, a diligent and responsible student council member; and others who each bring their own unique personalities and challenges to the story. The series explores themes of friendship, rivalry, and the complexities of young love as Riku navigates his relationships with these characters.

The plot is driven by the girls' attempts to win Riku's affection, often leading to humorous and heartwarming situations. While Riku remains largely oblivious to the romantic tension around him, his genuine kindness and willingness to help others endear him to his peers. The series balances lighthearted comedy with moments of emotional depth, particularly as the characters confront their insecurities and aspirations.

As the story progresses, the focus shifts between the different girls, allowing each to have their own arc and development. The episodic structure ensures that no single character dominates the narrative, providing a balanced exploration of their individual struggles and growth. The series concludes with a resolution that ties together the various threads of the story, offering a satisfying conclusion to the romantic entanglements and personal journeys of the characters.