Happiness! is a Japanese anime series adapted from a visual novel of the same name by Windmill. The story follows Haruhi Kamisaka, a young girl studying magic at a school dedicated to the craft. Her life takes a turn when a mysterious transfer student, Yuma Kohinata, enters her class. Combining elements of romance, comedy, and fantasy, the series explores the adventures and challenges faced by Haruhi and her friends as they navigate their magical education.