Tsuki e no Kaidan o Nobotte

When Ruby Clemenger inherits half of the Bastiani Pearl Corporation, she knows that her life is about to get complicated. Zane Bastiani, the pearl master's son, wants rid of Ruby--he thinks she was his father's mistress and can be easily bought. But Ruby's price is high. Unable to pay her off with cash, Zane decides to seduce Ruby into submission. He has nothing to lose--until he discovers Ruby is innocent... in every way...