"Lovely Complex" is a popular Japanese manga and anime series that follows the comedic and romantic misadventures of two high school students, Risa Koizumi and Otani Atsushi. Risa is a tall girl, while Otani is notably short, leading to humorous situations as they navigate their feelings for each other amidst societal expectations about height and romance. The story explores themes of friendship, self-acceptance, and the challenges of young love. As Risa and Otani develop a close bond, they confront their insecurities and learn to appreciate each other's unique qualities, making it a relatable tale for many viewers and readers.