On the day of the elections for student council president, Kinshiro Yokuya, Mayumi’s rival candidate and classmate, sits next to her. Before Mayumi’s speech, Kinshiro sets his last trap...! Will the Pretty Boy Detective Club be able to protect Yubiwa Academy?
I can't have people who believed in me think,
"I didn't have an eye for character."
No hago que los que confían en mí piensen
"no los ha visto".
Não deixarei que os que confiaram
em mim pensem: "Eu estava errado".