In the Kaisaka domain at the end of the shogunate, Iguchi Kiyobeiwas a low-level samurai with a meager salary. His wife passed away after becoming ill due to overwork, and there are two daughters and an elderly mother at home. After the end of each day's work, Qingbingwei hurriedly hurried home when it was still dusk. Less time to socialize with colleagues. Because of this, his colleagues nicknamed him "The Kiyobei of the Twilight".
Kiyobei meets Iinuma, a good friend whom he has not seen for many years. Iinuma's younger sister, Tomo, was divorced because of her husband Toyotaro's rudeness, and now lives in her parents' home. Pengjiang and Qingbingwei have known each other since childhood (childhood relationship). After learning about the predicament of Qingbingwei, Pengjiang often went to help him with household chores.
One night, Seibei sent Tomoe home, and at Iinuma's house, he met Toyotaro who was drunk and came to accuse him of trouble. Kiyobei replaced Iinuma, who was not good at swordsmanship, and duel with Toyotaro, easily defeated Toyotaro with a wooden stick, and his name as a swordsman spread in private.
Pengjiang frequently haunts Qingbingwei's house, and is also very close to Qingbingwei's two daughters. Finally one day, Iinuma came to formally propose a marriage, but Qingbingwei declined the kindness because he did not want Pengjiang to suffer because of his poor family. Pengjiang never came to the door again.
At this time, the dispute over the heir to the feudal lord has heated up, and Kiyobei received an order to fight against the famous swordsman Yugo Zenemon. Qingbingwei refused to fight, but was sternly reprimanded that "the feudal order is the order of the feudal lord", so he was forced to accept it. Before leaving, Qingbingwei confessed to Pengjiang his long-hidden love
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