History's Strongest Disciple Kenichi 2: Masters Arc
Kenichi the Mightiest Disciple 2: Masters Arc / Shijou Saikyou no Deshi Kenichi 2: Tatsujin-hen

Shirahama Kenichi, once an ordinary high school student, has grown stronger through training at Ryouzanpaku, where masters of various martial arts gather. Under the guidance of Miu, an exceptionally strong and beautiful girl, he has endured many trials and matured as a fighter. Now a new enemy—a ninja—stands before Kenichi. Former comrades and his arch-enemy YOMI also return to the conflict.