Read the title.

Ciel x Sebastian, some Alois x Ciel and hinted Claude x Alois. (possibly more than hinted if requested) yaoi , smut in later chapters Ciel Phantomhive is a grade 9 student with poor grades. He finds himself in the class of Mr.Michealis and winds up becomeing his pet in exchange for better grades.

Natsu and Lucy are looking for Hallowen costumes. Lucy is stumped about picking what to wear. While Natsu has found the perfect costume. What'll happen when the both of them have finished dressing?