Tateto Serizawa

Following the ascension to power of Taira no Kiyomori, the Minamoto clan is exiled. Minamoto no Yoritomo meets Masako, the sister of Hōjō Yoshitoki and later marries her. Following this marriage, the gears of Yoshitoki's destiny begin to turn.

Hirayama seems utterly content with his simple life as a cleaner of toilets in Tokyo. Outside of his very structured everyday routine he enjoys his passion for music and for books. And he loves trees and takes photos of them. A series of unexpected encounters gradually reveal more of his past.