欢爱城市, also known as City of Joy, is a compelling web novel in Chinese that challenges societal norms by envisioning a world where same-s*x marriage is embraced as much as expanding one's family. This captivating story falls under the drama and yaoi genres, exploring themes of modern-day life with tags like mpreg, oneshot, orphans, protagonist falling in love first, and wealthy characters, providing readers with a fresh and engaging narrative experience.