"The After Series" is a collection of romance novels written by Anna Todd. The series follows the tumultuous relationship between Tessa Young, a dedicated student, and Hardin Scott, a brooding and mysterious young man. Their intense connection leads to both passion and conflict, exploring themes of love, trust, and personal growth. The series began as a fan fiction inspired by the band One Direction and gained immense popularity online. It consists of five main books: "After," "After We Collided," "After We Fell," "After Ever Happy," and "Before." The novels have also been adapted into films, further expanding their reach.