is a Japanese idol who is a former member of AKB48 who was part of Team B and later Team K. She has appeared in a number of television shows, feature films and stage productions. Kobayashi is represented with Promage.
On July 8, 2021, Kobayashi announced her marriage to a non-celebrity boyfriend who works as an investor. She gave birth to a son on March 16, 2022.
On January 17, 2023, she announced on her social media that her divorce was finalized and will focus on her efforts of raising her child as a single mother.