Kyotaru sells his late father's treasured tea cups to buy a pair of glasses for Hatsune, a prostitute he first met while guarding Jin at Yoshiwara. With Ogata dead, Jin must prove his worthiness for Hamaguchi to fund making a more potent penicillin. Jin goes to Yoshiwara to see another ill prostitute, Hatsune. A local doctor performed an abortion that caused blood-poisoning. The penicillin is not potent enough. They must try to find immediate funding for a new production a much more potent dose. A male actor, who plays theatrical female roles, is asked to loan the money. He refuses. Ryoma goes to the local doctor who performed the abortion. The man quickly signs a contract with him for the full loan. The penicillin is made and Hatsune is given the potent penicillin. Seven days later, the abortion doctor shows up requesting that the full amount must be paid or he will take the potent penicillin, which was put up as collateral. He cheated Ryoma by telling him that he would have seven years, not seven days, to repay the debt, interest-free. Everyone is desperate to find a solution. Kyotaro returns to the actor and tells him that he will sell his body to him. He agrees to the loan only if Kyotaro publicly bows before him and begs for money. As a samurai, that is unheard of and humiliating. Hamaguchi decides to support Jin.
—ley-moon