A fifteen year old boy travels through the Amagi Pass, he encounters some strange people, one of them is the geisha Ozuka Hana. After a murder takes place, the police searchs for the culprit.

When the recession hits, Osaka-based loan shark Ginjiro Manda decides to help out small business owners in trouble, but finds himself face-to-face with the yakuza who come to collect debts.

Kyoshiro rescues Shizu who was being abused by her husband, even since she had been violated by the man posing as Ieyoshi. He then learned that Ieyoshi had been acting oddly ever since returning from Kyoto six months ago. Sir Fumiya's investigation of the O'oku (Shogun's harem in Edo Castle) uncovered the plot and reported that Sir Higo-no-Kami had been controlling the fraud. That's when Kyoshiro heads to Kyoto to find clues...

Aspiring to be admitted to a good university and to become a lawyer, Tasiro Yuusuke, a tenth-grader from Kyushu, enrolls in a prestigious high school in Tokyo. Plans are made for him to live in his uncle's house, part of which is rented out while his uncle is abroad on business. A realtor's mistakes leaves Tasiro sharing the house with Kei Yamaba, the most beautiful girl in the school, who is also his classmate. There is the risk that their unexpected 'co-habitation' will be discovered by the school authorities.