Quiet Don 6 ·静かなるドン6

Shizuya, who appeared on the first anniversary of Ken Sakamoto's death, the fourth Kishu-gumi. He again asks Ryuko to accept the sake cup. What about Shizuya and Ryuko? On the other hand, Shizuya, who went to see Akino after studying abroad in France, was frustrated by his gangster side...