The Anime Lad
Risa is taller than most girls in her class. Otani is shorter than most boys. Their teacher and classmates treat every argument between them as a comedy routine, which neither appreciates quietly. Both are focused on finding ideal partners elsewhere. Unfortunately, they understand each other's romantic failures with increasing efficiency.
Super Eyepatch Fox
Tall Risa and short Otani bicker so naturally that their class treats them as a comedy duo. Each wants help pursuing someone else, so they form a reluctant alliance. Their plans expose shared tastes and matching insecurities. The romance grows from fast banter between two people determined to overlook their own compatibility.
Gigguku
Risa and Otani can turn one hallway disagreement into a fully rehearsed comedy bit without meaning to. Their height difference starts the joke, but their shared timing makes the show sing. They keep aiming their romantic energy at other people while becoming each other's most reliable accomplice. Their own chemistry keeps interrupting the plan.
Father's Basement
The series reaches for the same height punchline often enough to wear a groove in it. What saves the setup is performance. Risa and Otani argue at matching speed while failing with comparable intensity. They gradually recognize common ground beneath the teasing. Their classmates see a routine. The show gives that routine enough emotional friction to support a romance.