Both of these drama have a darker feel. They are based on popular seinen mangas. Each features lead characters that take justice into their own hands by dealing in the crime underworld.
investigation of what happened in the past. taking down bad gay that either hurt or scam people and getting revenge from the victims of those crimes/ scams
it's all about con artist.. although 38 task force focus on swindling tax evaders, kurosagi is more on robin hood act by helping the swindler victim by swindling the swindler back.
The similiarity, both drama are about con artists. While in confidence man, they work in 'team' and lean more on comedic genre. But these two drama have unpredictable tricks and plots, both are absolutely genius and worth watching.
Both are Japanese dramas who deal with swindlers and their victims. Both have one or more lead character(s) that has some kind of trauma from their past.
Sagideka is more focused on swindlers that use phone calls to trick people
