"DTC -Yukemuri Junjou Hen- from High&Low" was announced on June 16, 2018, together with its first waves of promotional materials, and it was also announced that the film would be released on September 28, 2018. The first trailer was released on June 19, while it was also announced that Doberman Infinity has made a new song "You& I" for the film as its theme song, and hip hop group Honest Boy would provide a new song for the film score. A new poster was released on July 6, with scenes of the film on the poster, it was confirmed that other characters from the "High&Low series," Yamato for example, would appear in the film. On August 21, the film premiered on special event PKCZ®×DTC -Yukemuri Junjou Hen- from High&Low Advance Screening Event & Premium Live Show in Makuhari Messe International Exhibition Hall 1-3, while the music video with film characters of the theme song "You& I" was released on the same day. Another premiere event was held on September 10 in United Cinema Toyosu in Tokyo. On September 25, NTV aired the film's special program ""DTC -Yukemuri Junjou Hen- from High&Low" openly straight ahead SP! to introduce the film. Akira Hiramoto drew a short manga series for the film, and it was published on "Weekly Shōnen Magazine" on September 26 and October 3, 2018. Clamp also revived their collaboration with the "High&Low Series" and released a new short "High&Low g-sword" manga on "Weekly Shōnen Magazine" on September 26, with DTC as its main characters. "DTC -Yukemuri Junjou Hen- from High&Low" grossed 652 thousand dollars in total for a limited release. Japanese Media Real Sound described the film as "a relaxing film", and pointed out that it uses music differently from precious "High&Low" films, as music has helped to set background and atmosphere for different scenes in the film. Meanwhile, Real Sound also loved that ""DTC -Yukemuri Junjou Hen- from High&Low" combines its plots with clever twists on those familiar and handsome soundtracks from the "High&Low" series, creating a lot of laughs by creating contrast. On top of that, the film has plenty of comedic interludes, which are rare in the "High&Low" series."