Kenta Tanaka

Tsukuda Kohei was once a researcher and engineer with the Aerospace and Science Exploration Agency and now runs Tsukuda Industries, a small factory which was left to him by his father. He accepted that the failure of a major launch was due to an inadequate item he produced and now struggles to design and supply a far better replacement. At the same time he also works on redesigning the engine and guidance systems of driverless tractors (imdb & me)

A spin-off special drama series from "Koi wa Tsuzuku yo Doko Made mo", this show is set in the bar where nurse Nanase and her workmates often go for drinks after work.

Seishiro Tokai is an arrogant surgeon, working at a university hospital. He finds himself in a difficult situation when he opposes the introduction of a new medical device in surgery.

Kurosaki Koshiro is a young man who lost his family due to fraud. He decides to devote his life to take revenge against the fraudsters and become a con artist under the name "Kurosagi".