From Fussa station, get on the train for Tachikawa, and transfer at Tachikawa to the orange Chuo Line bound for Tokyo. At Shinjuku station, transfer to the lime-green Yamanote line (track#12).

Get off one stop after Shibuya at Ebisu, take west exit to the Hibiya subway line (track#2). Get on the last car, and ride it one stop to Hiroo (exit #2).