Tsuki no Kagayaku Yoru Dakara 1997 (Japan), also known as Bright Half Moon In The Night, Because It's A Night Where The Moon Shines Brightly , is Japan drama premiere on Jul 1, 1997 on Fuji TV
A story about two sisters in love with a man who is a Yakuza member. Also, shows what happens when the Yakuza member tries to quit. (Source: wiki.d-addicts.com)