As Shusuke came out of house and reached backyard he saw that there was a figure practicing sword . He was suprised but after looking carefully he realized it was Sakumo. In Naruto world Sakumo can be called the best swordsman in the world. Shusuke started watching Sakumo carefully. As he watched Sakumo sword attacks got sharper and faster , a sound was coming as he was practicing sword, it felt like that Sakumo sword was able to cut wind. After a while Sakumo stopped and closed his eyes . Seeing Sakumo stop and closing his eyes Shusuke knew that something was going to happen . So he concentrated all his attention on Sakumo sword.