A school has a competition every 3 years in which they pick a Prince of Legend. 14 males students take part in the competition.
A French-Japanese man, Julien, has two family names: "Condom" on his father's side and "Tanaka" on his mother's side. Now a university student, he still struggles to come to terms with his unfortunate surname and avoids forming relationships. Something in him starts to change when he encounters the Omata siblings, who by coincidence, share the same problem.
Suzaku Kanade is the scion of the Suzaku Group who is a bilingual "straight A" student with good looks and great athletic abilities. He is deemed a "celebrity prince" with graceful manners. One day, through his father's introduction, Kanade meets "bad boy prince" Kyogoku Takato who is a charismatic figure among the bad boys in the downtown area. Kanade and Takato who live in completely different worlds and have totally opposite personality start to compete for an "important thing". However, Takato's little brother Kyogoku Ryu, student-union president prince Ayanokoji Aoi, dance prince Red - Tendo Koki, teacher prince Yuki Riichi, and beautician prince Sagasawa Haru also join the competition...
10 high school students who are in the same class get caught and forced to play The Were Wolf game, where they have to kill each others to survive.