It's summer, and Norimichi Shimada and his friends want to know if fireworks look round or flat from the side. They forge a plan to find the answer at Moshimo Festival's fireworks display. However, Norimichi finds himself conflicted when his classmate, Nazuna Oikawa, plans to run away from home and wants Norimichi to join her. When things go awry in their attempt to escape, a strange orb in Nazuna's possession gives them another chance at staying together.

A manga adaption of Shunji Iwai's eponym anime which is a prequel to the Hana & Alice 2004 live-action film.

The story is set on one day during summer vacation. It follows a group of boys who try to view a fireworks display from the town lighthouse to see if they look round or flat when viewed from the side. Meanwhile, one of the boys, Norimichi, receives an invitation from his crush Nazuna to run away with her.

1) Hana no Koi 2) Hana no Arashi: Himitsu 3) Hana no Arashi: Ranbu 4) Hana to Alice