Kin no Cain

From Be Beautiful:
Shadows From The Past. Shun works very hard to live up to the memory of his older brother, even at the cost of his personal life. Suddenly, a beautiful stranger comes into his life and takes Shun on a ride down a dangerous road of love, loss, lust, guilt, passion and taboo! Shun craves excitement, and the stranger gives it to him...but at what cost?