Kenichi,Hattori starts attending school undercover,occasionally accompanied by his brother,Shinzo,Shishimaru the ninja dog and Kenichi's girlfriend, Yumeko. The gang is also threatened by th... Read allKenichi,Hattori starts attending school undercover,occasionally accompanied by his brother,Shinzo,Shishimaru the ninja dog and Kenichi's girlfriend, Yumeko. The gang is also threatened by the rival Koga ninja and his evil Shadow-cat.Kenichi,Hattori starts attending school undercover,occasionally accompanied by his brother,Shinzo,Shishimaru the ninja dog and Kenichi's girlfriend, Yumeko. The gang is also threatened by the rival Koga ninja and his evil Shadow-cat.
