Left: Shinobu Tsukasa (82), Sixth Generation Yamaguchi-gumi Boss. Right: Teruaki Takeuchi (64), Sixth Generation Yamaguchi-gumi Wakagashira Hosa (Assistant Underboss) at the year-end gathering held last December, Tsukasa, the boss, steps out of his car, welcomed by Takeuchi, the assistant underboss. This year marks the 20th anniversary since he received the leadership sake cup in 2005, yet his piercing gaze shows no sign of decline.