The evil empire, Shadow Line appeared to cover the world in darkness. Five childhood friends who have great imaginations were selected as the ToQgers to fight the Shadow Line.

Onda Kokoro is an oncologist called Dr Onkoro for short by the people around her and teased that she was born for this path. She got married to Takumi, whom she had known since she was a student, and they had a son. Life was going smoothly for her. But three months ago, her husband fell in an accident and remained unconsciousness even though he underwent emergency surgery. Although Kokoro puts on a brave face at work, she still has not been able to accept reality. One day, she meets Kajiyama Kaoru, a competent gastroenterologist who has transferred to work at the hospital. Kaoru understands the need for oncology as a surgeon and gives emotional support with her sunny personality as a colleague. She becomes a dear friend whom Kokoro feels is sudden a ray of light in her personal and professional life…

Kimichika Kazama is an instructor at a police academy. He is keenly observant and watches over his students. He is calm as an instructor and has charisma, but strict. Students with various backgrounds attend the police academy with their own reasons of becoming police officers. They feel pressure having to follow the strict rules and have anxiety about getting kicked out of the academy. How many students will graduate among the 90 students? What is the real purpose of Kimichika Kazama giving hardship to the students?

Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.