The story begins when Koichi Anno (played by Toshiaki Karasawa) accepts the private bank commission of the president of the Tenguuji Aina Group, a wealthy man with assets of 700 billion yen, and begins to act towards the initial request. This request is that he hopes the president can save his beloved dumpling shop from its predicament. However, the president of the dumpling shop, Kumiko Iida (played by Honami Suzuki), is deceived by investment fraud because she has no financial knowledge at all, and is burdened with a large amount of debt! Facing Kumiko standing in the abyss of despair, Anno proposes a proposal... Starting from this incident, Anno, as the private banker of the president of Tenguuji, begins to face various problems involving the Tenguuji family.