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- 2012 World Youth Championships Quarter-finalist in Jerevan, Armenia as a Light Flyweight.
- 2013 Asian Youth Championships Silver medalist in Subic Bay, Philippines as a Light Flyweight.
- Has defeated 9 opponents (5 by KO) for World Title.
- 4 opponents (2 by KO) for World Flyweight Title.
- 3 opponents (2 by KO) for World Light Flyweight Title.
- 2 opponents (1 by KO) for World Minimumweight Title.
- Has a record of 9-1 (5 KOs, 1 KOBY) in world title fights.
- Has a record of 6-1 (3 KOs) against former or current world champions:
- Tied with Vasyl Lomachenko for being the fastest ever fighter to become a three weight division champion. Both achieved it in 12 fights.
- Fastest ever Japanese fighter to win a world title, needing only 5 fights.
- Has never fought any opponent who had a losing record.
| WBO Minimumweight Champion
2015 May 30 – 2016 April
| WBO Light Flyweight Champion
2016 Dec 31 – 2017 Dec 1
| WBO Flyweight Champion
2018 Sept 24 – present