Asian Drama

Shin Karino is an unpopular manga writer and he is single. He lives in an apartment complex that has a rule forbidding children from living there. One day, Shin Karino's doorbell rings. When he opens his apartment door, he sees a small boy. The boy is 5-year-old Kotaro Sato. Kotaro Sato tells Shin Karino that he moved into the neighborhood. Shin Karino makes a weird face, because of the rule of his apartment complex. Kotaro Sato says that he lives by himself. At first, Shin Karino is annoyed by Kotaro Sato, but residents of the apartment building, including Shin Karino, become attached to Kotaro Sato.

Adapted from the manga series "Kotaro wa 1-ri Kurashi" (コタローは1人暮らし) by Tsumura Mami (津村マミ).

Set along a backdrop of a fictitious second world war at an international city in Asia.

In Japan, Lieutenant Colonel Yuki recommends the creation of spy training school "D Kikan". Meanwhile, Kato is facing capital punishment for his refusal to follow a superior's order. Kato is then scouted by "D Kikan". He goes through a harsh training regiment and faces his first mission as a spy.

In order to seize American ambassador Graham's confidential documents "Black Note", Kato infiltrates into an international city. A battle to gain possession of the "Black Note" ensues between Kato, a mysterious woman named Rin, the British Spy Agency, the Soviet Spy Agency and the radical army in Japan.