Disciple of Honinbou

Kuwabara Honinbou found a boy floating on pond in midst of red lotus, dressed in Heian era clothes and hair so long as if he never cut it for his whole life. , "So, "What's your name boy?" The Honinbou asked. The boy smiled benignly in return, "My name is Fujiwara no Hikaru, the fifth son of Fujiwara family and disciple of Emperor's Go Tutor, Fujiwara no Sai…" AU, TimeTravel