Kuwabara attends school as one of Keisuke Saji's classmates, recognizable by his brown hair and glasses. He forms a consistent duo with his friend Urawa. Together, they regularly encourage Saji in his persistent romantic pursuit of Akira Koizumi, maintaining this support even when Saji faces rejection or violent reactions. Kuwabara and Urawa nearly always appear together in group scenes. They act as grounded observers to Saji's more outrageous behavior, providing a contrasting reaction that fuels the comedic dynamic surrounding Saji's relentless efforts. His role remains consistently supportive within Saji's social circle.