Dazai Osamu, the most feared man in the city of Yokohama and Japan, the richest man in the whole country, having billions and billions of dollars and living in a big mansion, with many cars, maids and bodyguards of course. The famous mafia boss often visits a small cozy pastry shop, it was cottage themed and had beautiful paintings, that a woman named Chuuya Nakahara owned and painted. She worked there alone, but she was such a sweetheart, always being polite and even offering to take care of customers kids if she can. Will they fall in love together and Dazai finds about her past?