"Horimiya -piece-" is a 2023 anime series that serves as a companion to the original "Horimiya" anime, adapting additional chapters from the manga by HERO and Daisuke Hagiwara. The series revisits the lives of Kyoko Hori and Izumi Miyamura, two high school students who initially appear to be polar opposites but gradually form a deep connection. Hori is a popular, responsible girl admired by her peers, while Miyamura is a quiet, seemingly unremarkable student with a hidden side—he has piercings and tattoos, which he conceals under his uniform. Their relationship begins when Miyamura helps Hori’s younger brother, Souta, and the two discover each other’s true selves outside of school.

The narrative explores their evolving relationship, blending moments of lighthearted humor with heartfelt emotional depth. Hori and Miyamura navigate the challenges of high school life, including friendships, misunderstandings, and personal growth. The series also delves into the lives of their classmates, such as Toru Ishikawa, Yuki Yoshikawa, and Remi Ayasaki, who each contribute to the dynamic and interconnected social environment. Romantic subplots and comedic interactions among the supporting cast add layers to the story, creating a well-rounded ensemble.

"Horimiya -piece-" focuses on smaller, often overlooked moments from the manga, providing a more intimate look at the characters’ daily lives and relationships. Episodes highlight quieter, slice-of-life scenarios, such as school festivals, study sessions, and casual conversations, which deepen the audience’s understanding of the characters. The series maintains the original’s balance of romance, comedy, and drama, emphasizing the authenticity of its characters and their interactions. By revisiting these moments, "Horimiya -piece-" complements the main storyline, offering fans a more comprehensive portrayal of the world and its inhabitants.