Sachi-iro No One Room Gaiden: Seikai No Meitantei

Hijiri Matsubase, a seasoned detective, has finally severed ties with the police force to realize his long-held dream of establishing his own detective agency. However, the road to success proves to be a treacherous one, and Matsubase finds himself entangled in a web of financial woes after falling victim to a cunning scam. His fortunes take an unexpected turn when Aketoyo, the enigmatic son of a wealthy businessman, extends him a lucrative offer: "Entertain me, and I will compensate you with $100,000 per case." The proposition is tantalizing, yet its underlying motives remain shrouded in mystery, leaving Matsubase to ponder the true intentions behind this Faustian bargain.