Lowly Ronin 5: The Teenage Orphan Girl

素浪人罷り通る 涙に消えた三日極楽

Also known as Suronin makaritoru, Vol. V, The Ronin's Path, Vol. V, Suronin makaritoru dai gobu namida ni kieru mikka gokuraku

When the 'Lowly Ronin' helps an orphaned teenage girl avoid being turned into a prostitute, she then claims he is her father and they start a farm as father and daughter until fate steps in and he must draw his sword.