"Love Complex" is a romantic comedy manga that explores the dynamics of an unconventional relationship between two high school students, Risa Koizumi and Atsushi Ōtani. Risa, a tall girl standing at 172 cm, often feels self-conscious about her height, while Atsushi, a short boy at 156 cm, is confident and outgoing despite his stature. Their contrasting physical appearances and personalities create a unique dynamic that drives much of the humor and tension in the story.

The narrative begins with Risa harboring feelings for Atsushi’s best friend, Seiji, who is tall and fits her ideal type. However, her attempts to win Seiji’s affection repeatedly fail, and she finds herself increasingly drawn to Atsushi, whom she initially views as a rival. Atsushi, on the other hand, is oblivious to Risa’s growing feelings and often teases her about her height, leading to frequent comedic clashes between the two. Over time, their constant bickering and shared experiences foster a deeper connection, and Risa begins to realize her feelings for Atsushi.

As the story progresses, the relationship between Risa and Atsushi evolves from friendship to romance, though not without challenges. Misunderstandings, insecurities, and external pressures test their bond, particularly as they navigate the complexities of high school life and their own personal struggles. Risa’s insecurity about her height and Atsushi’s determination to prove himself despite his stature are recurring themes that add depth to their characters and the narrative.

Supporting characters, such as Risa’s best friend Chiharu Tanaka and Atsushi’s friend Nobuko, play significant roles in the story, often providing comic relief or helping to resolve conflicts. The manga also explores the perspectives of other classmates, adding layers to the high school setting and highlighting the various ways people perceive and react to the central relationship.

The series balances humor with heartfelt moments, capturing the awkwardness and sincerity of young love. The evolving relationship between Risa and Atsushi is central to the plot, with their growth as individuals and as a couple forming the core of the narrative. The manga concludes with a resolution that ties together the emotional arcs of the characters, offering a satisfying conclusion to their journey.