Kaoru Fukazawa is a manga artist. His manga series was published for eight years, but has now finished. He doesn't have any ideas for his next work. His situation seems bleak, with his editor seeming to not care about him anymore and his relationship with his wife Nozomi Machida being troubled. He spends his days in despair and darkness. Kaoru visits a business that provides sexual services and meets a prostitute named Chifuyu, who attracts him. They decide to head to Chifuyu's hometown together.

Following the death of her father Kazuo, Momo Miyaura and her mother Ikuko travel from Tokyo to the Seto Inland Sea. Momo carries Kazuo's unfinished letter, which contains only the words "Dear Momo". At her mother's estate in Shio Island (汐島, Shiojima), they meet their relatives Sachio and Sae Sadahama, and Koichi, a postman and an old friend of Ikuko, who has always had a crush on her. Momo is devastated and misses Tokyo. In the attic, she opens a present containing a rare picture book about goblins and Yōkai, collected by Sachio's father. Three droplets from the sky enter Ikuko's estate and transform into yokai consisting of Kawa, Mame, and Iwa, the group's leader.

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.

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.

Kohei Miyazaki (Naoto Takenaka), a former railroad worker, has become obsessed with locating the ancient country of Yamatai. His obsession sprouted from a day when he discovered ancient ceramics while repairing railroad tracks. Now completely blind, Kohei relies on his wife (Sayuri Yoshinaga) to guide him through the country and read the maps in their pursuit of Yamatai.

Hayato, a boy in the 6th grade, hides the secret that he can't swim. Every summer, he pretends to be sick, so he could avoid school swimming tournaments. But, as it is the last year in the elementary school, he can't escape from swimming practice and is forced to participate.