Comrade Tohsaka Hina, who is full of violence and holds the title of 5th red and black belt in Taekwondo at the age of 16, was transported to the aristocratic world of Ouran due to an accidental time and space cave.
It's all the fault of that daredevil Nobita. Helpless, she could only accept the task given to her by Doraemon - to help our lovely little Haruhi pay off her debt. . . . . . Only after completing the mission can you travel back to the Net King world.
Will the future be dark or sunny for her? Can she seize the sunshine that comes from friendship?
The hilarious journey of finding friendship has just begun. . . . . .