29–28 for Asahisa. Asahisa was scheduled to face Fang Feida in a non–title bout at Wu Lin Feng 2018: WLF -67kg World Cup 2018-2019 4th Round on October 6, 2018. He won the fight by a second-round technical knockout. Asahisa made his first title defense against Wang Junyu at Wu Lin Feng 2019: WLF World Cup 2018-2019 Final on January 19, 2019. He won the fight by a fourth-round flying knee knockout. Asahisa returned from a twelve-month layoff to face Zhu Shuai in a non-title bout at Wu Lin Feng 2020: WLF World Cup 2019-2020 Final on January 11, 2020. He lost the fight by unanimous decision. Asahisa was scheduled to face Tatsuya Oiwa at K-1 World GP 2020 in Fukuoka on November 3, 2020. He won the fight by unanimous decision, with all three judges scoring the bout 30–27 in his favor. Asahisa was scheduled to face MOMOTARO at K-1 World GP 2021: Yokohamatsuri on September 20, 2021. He won the fight by a first-round knockout. Asahisa knocked Momotaro down with a left hook, with 30 seconds left in the round. He followed this up with a second left hook at the 2:59 minute mark, which left Momotaro unable to beat the eight count. Asahisa was scheduled to face Yuta Murakoshi at K-1: K'Festa 5 on April 3, 2022. Asahisa won by knockout in the first round, he knocked down his opponent with a high kick and forced the referee to stop the action when he floored Murakoshi for the second time with a jumping knee. K-1 K-1 Super Featherweight Grand Prix On June 15, 2022, it was announced that Asahisa would be one of eight participants in the 2022 K-1 Super Featherweight World Grand Prix, held to fill the throne left vacant by Takeru Segawa. Asahisa was booked to face Nakrob Fairtex in the quarterfinals of the one-day tournament, which was held at K-1 World GP 2022 Yokohamatsuri on September 11, 2022. He made quick work of his opponent, stopping him with a left hook to the body 44 seconds into the fight. Asahisa faced the one-time Krush Super Featherweight title challenger Tomoya Yokoyama in the tournament semifinals. He needed just 37 seconds to knock Yokoyama down twice, which resulted in a technical knockout victory for him under the K-1 Grand Prix rules. Asahisa failed to capture the vacant title however, as he suffered a narrow unanimous decision