For 10 points, name this Japanese author of "The Christ of Nanking," "The Spider's Thread," and "In a Grove."
One character created by this author supposedly stole another man's quiver and seventeen hawk-feather arrows. In another work by this author, a prostitute named Song Jinhua is cured of syphilis after she sleeps with a half-American, half-Japanese man pretending to be Jesus Christ. This author wrote a story where Goi wants to eat his fill of yam (*) gruel.  In another of his works, one character sends another character a tool through a lotus pond to escape Blood Lake. In that work, because of his lack of compassion, Kandata fails to escape hell with the title conveyance. He also wrote a story which presents a number of contradictory accounts of the murder of a samurai. For 10 points, name this Japanese author of "The Christ of Nanking," "The Spider's Thread," and "In a Grove."
One character created by this author supposedly stole another man's quiver and seventeen hawk-feather arrows.
Akutagawa Ryunosuke [accept in either order]