In one story by this author, the umbrella-maker's daughter accuses a character taken in by Simeon, the saintly Lorenzo, of being the illicit father of a bastard child, but Lorenzo dies in a fire and is discovered to be a woman. In another story by this man, thousands of other sinners attempt to follow Kandata, who is using the title object to escape from Hell. In addition 
In one story by this author, the umbrella-maker's daughter accuses a character taken in by Simeon, the saintly Lorenzo, of being the illicit father of a bastard child, but Lorenzo dies in a fire and is discovered to be a woman. In another story by this man, thousands of other sinners attempt to follow Kandata, who is using the title object to escape from Hell. In addition to "The (*) Martyr" and "The Spider's Thread," he wrote about Goi, who receives a ludicrous amount of his favorite food in "Yam Gruel," and about a woman who steals hair from the dead to make wigs at the titular gate in Kyoto. For 10 points, name this author of "Rashomon" and "In a Grove."
In one story by this author, the umbrella-maker's daughter accuses a character taken in by Simeon, the saintly Lorenzo, of being the illicit father of a bastard child, but Lorenzo dies in a fire and is discovered to be a woman.
Ryunosuke {Akutagawa} [or Ryunosuke {Niihara}; accept either answer in reversed order]