Junpei Aotsu

Krush 37 was a kickboxing event held on January 4, 2014 at Korakuen Hall in Tokyo, Japan. In the main event, Shota Takiya and Takumi faced off for the vacant Krush -55kg title. The card also featured super fights between Haruaki Otsuki and Junpei Aotsu and between Ryuma Tobe and Choi Jin Sun, as well as the first round of the inaugural Krush -65kg title tournament.

Krush 40 was a kickboxing event held on April 15, 2014 at Korakuen Hall in Tokyo, Japan. The double main event featured a Krush -70kg title match between Yasuhiro Kido and Hiroki Nakajima and a bout for the vacant Krush -67kg title between Yuya Yamamoto and Keita Makihira. The card also included super fights for Masahiro Yamamoto against Yannis El Hajaoui and Shintaro Matsukura against Onder Ural.

Krush 47 was a kickboxing event held on November 9, 2014 at Korakuen Hall in Tokyo, Japan. In the main event, Kotaro Shimano and Hirotaka Urabe fought for the vacant fourth Krush -60kg title, and in the semi-final Masahiro Yamamoto faced Junpei Aotsu.

Krush 53 was a kickboxing event promoted by K-1 Japan Group (Krush), held on April 12, 2015 at Korakuen Hall in Tokyo.

Krush 66 was a kickboxing event promoted by K-1 Japan Group (Krush), held on June 12, 2016 at Korakuen Hall in Tokyo.

Krush 75 was a kickboxing event promoted by K-1 Japan Group, held on April 2, 2017 at Korakuen Hall in Tokyo. The card featured the Krush -65kg tournament final between Yukihiro Komiya and Jun Nakazawa, the Krush women's title match between Mellony Geugjes and Momi and the Krush -60kg tournament semifinal between Leona Pettas and Taio Asahisa.

Krush 77 was a kickboxing event promoted by K-1 Japan Group, held on July 16, 2017 at Korakuen Hall in Tokyo.

Krush 83 was a kickboxing event promoted by K-1 Japan Group, held on December 9, 2017 at Korakuen Hall in Tokyo. The card featured the Krush women's -50kg title match between Mellony Geugjes and Kana and the inaugural Krush women's -45kg championship bout for the vacant title between Emi Matsushita and Comachi.