銀魂―ぎんたま―（Gintama）【16】

結婚の為に江戸を訪れた沖田の姉・ミツバ。しかし商人である彼女の婚約者には裏で不正武器売買の疑いが。様々な想いが交錯する中で土方が…！？　他にもウイルス兵器RYO-IIとかハードボイルド同心とか九兵衛の合コンとか！！ 

Okita's older sister Mitsuba who visited Edo for marriage. But her fiancee, a merchant, is suspected of buying and selling illicit weapons behind her. Hijikata is in a mix of various thoughts ...! Is it? Besides virus weapons RYO - II, hard boiled concentrics or nine - army 's gongs! It is!