When clouds in the sky and falling rain tease the two close friends in trouble, Rei and Kai, it takes them to meet Arashi and Fuma, who are not only cunning saviors but also guys making storms in the two best friends' hearts. The war of love is about to take place in the warm spring, hot summer, lonely autumn, and cold winter. How would the atmosphere of love be? Which way would their hearts wave and the air full of love take them to?
E1
When Rei has car trouble in the middle of a raging storm, a stranger named Arashi stops to help him out. After their brief meeting Rei continues to think about the kindness of Arashi until they meet once again.
E2
Rei tries to find out Arashi's weakness, so he decides to sneak onto the racetrack.
E3
E4
Rei didn't realize that Arashi is surrounded by people who like him; Arashi joins a dangerous race.
E5
Kai accidentally uncovers the relationship between Rei and Arashi. Even though Fuma keeps on showing him affection, Kai still can't forget the painful memories of the past.
E6
After unexpectedly getting sick, Fuma begins to take care of a weakened Kai.
E7
Kai tries to get away from everything and stand on his own two feet, while Fuma takes a chance to tell Kai how he really feels.
E8
When Rei gets abducted, Arashi needs to find a way to free him; Kai once again meets the man he fears most in life.