Moon and Snake

By day, Hibino is a high school art teacher; by night, a passport forger. Ever since meeting the yakuza Kitahara, Hibino's life has been slowly thrown into disarray. To repay the debts left by his parents after their business failed, Hibino cannot refuse the jobs Kitahara brings him. But when he sees Kitahara point a gun at a man begging for his life, his relationship with Kitahara, which until then had consisted of Hibino simply helping with the forgeries without asking questions, changes completely. Kitahara embraces the terrified Hibino with an almost maddening passion. Even as Hibino becomes convinced that Kitahara is a bad man, his life is gradually dyed in Kitahara's colors. A savage passion that feels as though it could tear him apart, and an intimacy burning hot enough to drive him mad───the path of a love between a yakuza and a high school teacher who were never meant to cross.

(Source: CMOA, translated)