Rosario+Vampire Vol. 8 (manga)
LESSON 8: SHIKIGAMI
WHEN YOUR SCHOOL PRINCIPAL MAKES YOU PLAN A SCHOOL FESTIVAL WITH A CHARISMATIC LEADER OF THE STUDENT BODY WHO HAS HIS OWN PERSONAL SHIKIGAMI, YOU HAD BETTER...
a. not trust him as far as you can throw his one-eyed demon
b. follow his lead blindly
c. decorate the gym with colored toilet paper