The Ice Ribbon Risa Sera's 6th Produced Show ~ Extreme Nuclear Battle #2 (Evening Show) is a Professional wrestling event produced by Ice Ribbon, which took place on June 13, 2021 at the Shin-Kiba 1st RING in Tokyo.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Orca Uto & Risa Sera defeated Masashi Takeda & Suzu Suzuki in a Mixed Tag Team Hardcore Tournament Semi Final Match (17:03)
- Takayuki Ueki & Toshiyuki Sakuda defeated Akane Fujita & Hiragi Kurumi (w/Minoru Fujita & Mochi Miyagi) (11:41)
- Takashi Sasaki defeated Maya Yukihi (15:19)
- Jun Kasai & Rina Yamashita defeated Orca Uto & Risa Sera in a Mixed Tag Team Hardcore Tournament Final Match (21:20)