The exchange of Bashō and Kakei is about 10 years. Bashō and Kakei interacted with Haikai literature in human relations. Kakei played an important role in the trip, which was the means of Bashō Haikai reform. Bashō helped a lot in the growth of Kakei Haikai literature. As a result, Haikai literature of Kakei grew greatly, but he failed to adapt to new Haikai literary of Bashō reform and broke up with Bashō.
The academic relationship between Bashō and Kakei and the process of changing the human relationship can be confirmed by letter Bashō to various writers. Until Bashō died, relationships with Bashō and mentors of Kakei were maintained. As a Haikai literary person, philosophy of Bashō life, which cherishes human relations, can also be seen in relation to Kakei. Bashō and Kakei could not share a scholarly path because of their differences in Haikai literature.
Bashō had a different academic path from Kakei, even before his death, but he showed a sense of pursuing unity in human relations. This is a true figure of Bashō as Haikai literary man.