Li Jian Qiang

The older twin brother of the Taiwanese mafia and the biological father of Xiang Ying.

Plot
22 years ago, Ryo was requested to retrieve his younger brother from a group of guerillas' captivity. It appears that currently his younger brother Jian De, was assassinated in his place. Li Jian Qiang appears and reveals to Ryo about his biological relationship to Glass Heart, his daughter. He also confessed that in order to save her life previously due to her suicide, Kaori's heart was stolen in the process.

Appearance
As twins, he shares similar appearance with Li Jian De.

Li Jian De
His younger twin brother who acts as his kagemusha(a term used to denote a decoy).

Xiang Ying
His biological daughter who is AKA Glass Heart.

Ryo Saeba
The sweeper whom he had commissioned previously.