is a Japanese kickboxer, currently competing in the atomweight division of RISE. As of March 2024, she is ranked as the eighth-best women's atomweight kickboxer in the world by Beyond Kickboxing.
Kobayashi made her professional kickboxing debut against Honoka Tsujii at RISE 162 on October 30, 2022. She won the fight with a majority decision.
Kobayashi faced Momone Sakajiri at the on February 23, 2023. She won the fight by unanimous decision.
Kobayashi faced Ayaka Nishihara at RISE 168 on May 28, 2023. She won the fight by unanimous decision.
Kobayashi faced Miyu Sakata at RISE World Series 2023 - 2nd Round on August 26, 2023. The fight was ruled a split decision draw.
Kobayashi faced Koto Hiraoka at RISE Fight Club on November 19, 2023. She lost the fight by unanimous decision, with scores of 27âÂÂ30, 27âÂÂ30 and 26âÂÂ30. Kobayashi scored a knock down with a knee strike in the third round.
Kobayashi faced Momoka Mandokoro at RISE 176 on February 23, 2024. She won the fight by unanimous decision, scoring a knock down in the third round.
Kobayashi faced Fuu at RISE 180 on July 26, 2024. She lost the unanimous decision after an extra round was fought.
|- style="text-align:center; background:#fbb" | 2024-07-26 || Loss ||align=left| Fuu|| RISE 180 || Tokyo, Japan || Ext.R Decision (Unanimous) || 4 ||3:00
|- style="text-align:center; background:#cfc" | 2024-02-23 || Win ||align=left| Momoka Mandokoro || RISE 176 || Tokyo, Japan || Decision (Unanimous) || 3 ||3:00 |- |- style="text-align:center; background:#fbb" | 2023-11-19 || Loss ||align=left| Koto Hiraoka || RISE Fight Club || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- |- style="text-align:center; background:#c5d2ea" | 2023-08-26 || Draw ||align=left| Miyu Sakata || RISE World Series 2023 - 2nd Round || Tokyo, Japan || Decision (Split) || 3 || 3:00 |- |- style="text-align:center; background:#cfc" | 2023-05-28 || Win ||align=left| Ayaka Nishihara || RISE 168 || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- |- style="text-align:center; background:#cfc" | 2023-02-23 || Win ||align=left| Momone Sakajiri || || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- |- style="text-align:center; background:#cfc" | 2022-10-30 || Win ||align=left| Honoka Tsujii || RISE 162 || Tokyo, Japan || Decision (Majority) || 3 || 3:00