Entranced by surfing and the sea, Hinako Mukaimizu is a spirited girl who attends college in a coastal city with no consideration for her future career. Her life takes an unexpected turn when a fireworks mishap sets the apartment building she lives in ablaze, where she is saved by a talented firefighter named Minato Hinageshi. Upon meeting, the two quickly become acquainted with one another—Hinako is instantly enamored by Minato's reliable personality and passion for saving others, while Minato is intrigued by surfing and is eager to learn how. As Hinako begins to teach Minato about surfing, the pair eventually fall in love and begin a gentle and devoted relationship. However, while surfing may seem fun and carefree, it can still be a dangerous and unpredictable activity. This is what Hinako learns when a surfing incident completely changes her life, leaving her forced to contemplate her undecided future. In search of her own calling, Hinako begins her journey of self-discovery, keeping Minato by her side as she gradually attempts to find her purpose and ride her own wave.

In Edo period Japan (1603 to 1868), a strange new disease called the Redface Pox has begun to prey on the country's men. Within eighty years of the first outbreak, the male population has fallen to a quarter of the total female population. Women have taken on all the roles traditionally granted to men, even that of the Shogun. The men, precious providers of life, are carefully protected and the most beautiful of the men are sent to serve in the Shogun's Inner Chambers.

Star Driver takes place on the fictional Southern Cross Isle. One night, a boy named Takuto washes up on shore swimming from the mainland. He later enrolls in Southern Cross High School as a freshman and makes new friends.

Yorito Morimiya is obsessed with the sky. He especially loves taking pictures of its array of different faces—sunrises, sunsets, clouds. On one of his early-morning excursions to photograph the sunrise, Yorito meets a strange girl engaged in an argument with a vending machine. By the time that Yorito forces the girl's tomato juice out of the machine, she's vanished without a trace. Sola follows the story of Yorito, his sister Aono, and their childhood friends Mana and Koyori Ishizuki, as well as that of a mysterious girl who appears and disappears, and who seems to harbor a dark secret. In a world where magic and the supernatural are never far below the surface and no one is who they seem to be, love and loneliness vie for supremacy beneath Yorito's sky.