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.
The special will be set several months after the events of the drama. "Onizuka" learns of the imminent closure of the "Smile Duck" orphanage ("White Swan" in the original manga) due to a certain city development plan and some conflicts of interest for the politicians involved. Of course, he cannot let that happen, and together with his students from class 2-4, he will do everything possible to protect the orphanage.