There are reports about an individual named Kobayashi, but the context and details are unclear. Some outlets mention a person named Hannah Kobayashi, who was the subject of an international search and has been found safe, while others reference a feud between Joey Chestnut and Kobayashi, possibly related to competitive eating. The information available does not provide a clear understanding of who Kobayashi is or what the "untold truth" about them refers to.