Answer
Murasaki Shikibu, the renowned author of "The Tale of Genji", was a significant influence on Dazai Osamu's literary style and thematic exploration. Dazai's works, such as "No Longer Human" and "The Setting Sun," reflect the influence of Murasaki's literary prowess, particularly her profound psychological insights, intricate characterizations, and the use of diaries as a narrative device.