The national university entrance examination is coming up and the students of Class 3/4, which Onizuka Eikichi (AKIRA) is in charge of, enter exam mode. Onizuka who conducts career counselling for the students with assistant form teacher Fuyutsuki Azusa (Takimoto Miori), questions their mentality of aiming for a good university in order to get into a good company.

A mother leaves three kids in the care of Saejima and it's up to Onizuka and the gang to track her down. Meanwhile Miki is having some problems with her dad all the while a handsome and mysterious cram school teacher appears.

20 years since the shocking final episode aired on January 19, 2003...On January 19, 2023, the anniversary of the final episode, a gorgeous cast will be in attendance at Theater G Rosso. With Nobuhiro Suzumura, who also served as the director, as MC, a talk event similar to a reunion was held, focusing on reminiscences from the time of filming. In response to many requests for a Blu-ray version, the Blu-ray of "Kamen Rider Ryuki 20th Anniversary Alumni Talk Event" will be released! What exactly happened at the final event of the 20th anniversary, which included the appearance of a secret guest and delivered more cheers than originally expected?

Set in the near future of Japan with the educational system nearing collapse. To rehabilitate the lawlessness at public schools and its troubled students, the government sends Kamen Teacher to designated schools.