being scheduled to defend her DEEP Flyweight title against Mizuki Oshiro at DEEP: 95 Impact on May 6, 2020. However, the event was cancelled due to the COVID-19 pandemic. Post-title reign In August 2020, Shinashi vacated her title due to the pandemic's adverse effects on her training. With more than three years removed from her previous bout, Shinashi faced Reina Kobayashi at DEEP: 112 Impact on February 11, 2023. She won her return via unanimous decision. Personal life Shinashi was married in September 2007 and gave birth to her first child, a son, on July 5, 2009. Championships and accomplishments DEEP DEEP Women's Flyweight Championship (one time; former)Smackgirl''' Smackgirl Flyweight Championship (one time; only) One successful title defense Mixed martial arts record |- |Win |align=center|39–4–2 |Reina Kobayashi |Decision (unanimous) |Deep: 112 Impact | |align=center|2 |align=center|5:00 |Tokyo, Japan | |- | Loss | align=center| 38–4–2 | Mizuki Oshiro | TKO (punches) | Deep: 93 Impact | | align=center| 1 | align=center| 1:51 | Tokyo, Japan | |- | Win | align=center| 38–3–2 | Madoka Ishibashi | Submission (armbar) | Deep: 90 Impact | | align=center| 1 | align=center| 3:05 | Tokyo, Japan | |- | Win | align=center| 37–3–2 | Ye Jin Jung | TKO (punches) | Deep: 83 Impact | | align=center| 1 | align=center| 4:37 | Tokyo, Japan | |- | Win | align=center| 36–3–2 | Chiaki Ota | TKO (punches) | Deep: Cage Impact 2017 | | align=center| 1 | align=center| 1:36 | Tokyo, Japan | |- | Loss | align=center| 35–3–2 | Ye Ji Lee | Decision (unanimous) | Road FC 37 | | align=center| 3 | align=center| 5:00 | Seoul, South Korea | |- | Win | align=center| 35–2–2 | Proof Date | TKO (punches) | Deep: 76 Impact | | align=center| 1 | align=center| 1:32 | Tokyo, Japan | |- | Win | align=center| 34–2–2 | Hee Da Choi | Submission (rear-naked choke) | Deep: 73 Impact | | align=center| 2 | align=center| 2:30 | Tokyo, Japan | |- | Win | align=center| 33–2–2 | Ye Ji Lee | TKO (punches) | ROAD FC 24 | | align=center| 2 | align=center| 4:53 | Tokyo, Japan | |- | Win | align=center| 32–2–2 | Emi Yamamoto | Technical Submission (armbar) | Deep: 71 Impact | | align=center| 1 | align=center| 1:36 | Tokyo, Japan | |- | Win | align=center| 31–2–2 | Rika Hamada | Technical