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.

Thirty-four-year-old high school student Nobuo meets his classmate Rikako, who believes in succeeding only with her tears and singing voice, and helps her find her father. Stuck in the vortex of struggled youth, will they ever grow out of their endless seventeen?