Season 1

Chisato is a homeless girl being hunt by the debt collectors because of her father. One day, when she has nowhere to go for she was caught, Shinzo Okura appeared and paid the 100 million yen out of nowhere. When they were talking, Shinzo made a deal with her that if she marries him, her debt will be considered paid; Chisato agreed. However, when Shinzo died after a month, she was told that there are other conditions to be filled.

After Takeru lost his job, he decided to be a host where Sho works. Takeru was able to attract a customer and asked him to go somewhere not knowing that someone was watching them. He told the lady to go first and that the time Sho's reason for leaving the castle was revealed. The following day Takeru disappeared. Shou and Chisato went out to look for him but got themselves in trouble instead. Who will save them?

Masaru has grown his trauma for girls. The reason behind is because of his childhood crush whom he confessed his love with. Knowing that the girl was just messing around, he got hurt and his trauma started. What will happen if the girl came back?

Riki was kidnapped?! (Sho's son) The castle received a phone call from a mysterious voice... it was Shinzo Ohkuras'. The kidnapper told Sho that if he want his child back, he should do everything they say with the mother. On the other hand, Chisato have to make a speech as the acting president of MIRACLE. Will there be a miracle to save both parties?

The eldest of the Ohkura sons came home and revealed Chisato's secret about doing everything for money. Everyone were disappointed of her and so she left the castle feeling quite bad. Her friends from the net cafe and park decided to help her earn the 100 million yen wherein in the contract it was said that if she couldn't fulfill her 10 motherly duties or ran off, she should pay it immediately. Finally they found a way and that is to dig an onsen. On the other hand, the Ohkura brothers found out what Chisato has been up to and decided to help... but what will happen if everything ends up with a kiss?

Chisato agreed to the condition of Fuu for him to come back. That is to claim that he is the fiance and apologize to all the 27 girlfriends Fuu is dating. While on the other hand, Fuu is having an ulterior motive for coming to the castle...what could that be? Takeru has failed the delivery! What will he do?!He must find the the real content of the delivery!!! Why is Fuu here? Will Takeru find the contents of the delivery?

Inoue lost the arm game to Chisato, feeling depress she left and took Gokuto as the replacement; the boss of the net comic bar and the man who has a crush Chisato. Mean while, they found the inheritance everyone has been searching... but it's not what they expected... Akira suddenly wanted to attend the pretty boy concert. Does it have something to do with the inheritance? That night... an accidental kiss happened... but with whom? What does Akira and the contest had to with it?

Finally the Okura brothers were reunited and decide to help Chisato fulfill all of her motherly duties. They completed the first two, but no one wanted to do the third... but what if it will be the reason for them to have 10 million yen? Mean while, Sho needs money urgently... and for some reasons the 10 million was stolen. Did Sho take it? What was the money for? Will they complete the third task?