In the tumultuous Edo period, mirroring our modern era, Manjiro navigates a chaotic world where disasters, both natural and man-made, reign supreme. By day, he aids the citizens of the troubled capital, but by night, he clandestinely retrieves stolen treasures from corrupt politicians and covert villains. Known as 'Get-backer Roman' to the populace, his dual life unfolds against a backdrop of intrigue and injustice.