"Bittersweet Love: A Demon Slayer Modern AU" follows the story of Nezuko and Zenitsu, two friends who find themselves falling in love amidst the chaos of modern-day Tokyo. However, their happiness is threatened by Nezuko's overprotective brother Tanjiro, who disapproves of their relationship. As they navigate the challenges of their forbidden love, they must also confront the dangers of the city's demon underworld. With a cast of familiar characters from the original series and a modern twist, "Bittersweet Love" explores the themes of love, family, and sacrifice in a world where anything can happen."