A conjecture of short stories in Ur-text of "The Tale of Genji" - Ur-text of "The Tale of Genji" was a short story whose length was similar to that of 'Wakamurasaki' or 'Hotaru.'
原『源氏物語』短編説-原『源氏物語』は、「若紫」「蛍」程度の短編であるとの説。