A Lonely Mafia Boss Who Discovered Love Imprints Obsession on His Older Girlfriend Book Summary: "I want to stain you with my color, deep inside." Ayano, who has built a career as a salesperson for a sake brewery. A month after being transferred to the American office, she was unfairly treated at work and stopped by a certain art museum to take her mind off things. There, Ayano meets Glen, a mysterious and alluring young man, and due to a certain accident, they end up living together. Although she instinctively feels he's dangerous, Ayano, who was living an unfulfilled life alone in a foreign country, can't resist Glen's seductive gaze and becomes increasingly immersed in the sweet pleasures he offers one after another. Meanwhile, Glen, who has complicated circumstances, also begins to feel a special emotion he's never experienced before while living with Ayano... What awaits the unfortunate career woman × the sorrowful mafia boss at the end of their love and obsession...? No pets, no smokers. Instant purchase OK. #YumeBunko #ShinmaruTerahara #RukaKirato #OnDemand #Paperback #OnDemandPaper