Ventilation version
Once upon a time, two cheap girls traveled to the comic book world, kidnapped two handsome guys, and taught a few local girls bad habits.
Now, several local girls have grown up.
They also kidnapped a few handsome local guys.
Normal version
The 17-year-old Vongola Ten Thunder Guardians and two members of the Tenth Gate Advisor got into trouble, went to school, and fell in love while on vacation in the United States.