fgo 坂本龍馬と勝海舟　Sakamoto Ryōma and Katsu Kaishū

師匠と弟子関係の二人！ 坂本龍馬は幕臣の勝海舟を維新の為に、暗殺するつもりだったが、勝海舟の堂々たる態度と知識、（世界情勢や海運の重要性等）に感銘を受け弟子になった、、 A master-and-disciple duo! Sakamoto Ryoma had originally intended to assassinate Katsu Kaishu—a retainer of the Shogunate—for the sake of the Restoration; however, he was so impressed by Katsu’s dignified demeanor and vast knowledge (including his understanding of global affairs and the importance of maritime transport) that he became his disciple.