Michio Iruma is a former lawyer. He now works as a judge in the first criminal court (commonly known as "Ichikei") of the Tokyo District Court. He is an unusual judge. To avoid issuing wrong judgements, Michio Iruma seeks out the truth in cases by performing on-site inspections by himself. Due to this, lawyers and prosecutors are afraid of him.

“蓝色时刻(BLUE MOMENT)”指的是日出前和日落后的一段非常短暂的时间，每到这个时候，整个城市便会沐浴在深蓝色之中。能看到蓝色时刻，也意味着能够平安迎来一如往常的早晨... 人们的性命随时受到巨大自然灾害威胁，为了防止伤亡扩大，特别灾害对策总部 SDM 应运而生。在天才气象学家晴原柑九朗的带领下，成员们发挥各自的智慧与知识在灾害前线赌命救援！