At DDT Yokohama New Year, an event promoted by DDT Pro Wrestling on January 6, 2013, Nitta teamed up with Hiroshi Fukuda and Yusaku Ito, losing to Hideyoshi Kamitani, Risa Sera and Tank Nagai in a six-man tag team match.

[4] At Sakura Hirota Produce Leave Maternity, a Japanese independent event from December 12, 2015, she competed in a 19-person battle royal also involving popular wrestlers such as Sumire Natsu, Ricky Fuji, Yuko Miyamoto, Yumi Ohka, Hercules Senga and others.

[5] At JWP Climax 2014, an event produced by JWP Joshi Puroresu on December 28, 2014, Nitta teamed up with Manami Toyota and Tsukushi, losing to Jaguar Yokota, Kazuki and Rydeen Hagane in a six-person tag team match.

[6] Nitta made an appearance in the 2013 edition of the Tag League the Best where she teamed up with her "Nekoka Tag" partner Leon, placing themselves in the Block A and competing against the teams of Aripiko (Arisa Nakajima and Command Bolshoi) and Heart Move (Hanako Nakamori and Morii).

[12][13] Nitta is also a former two-time International Ribbon Tag Team Champion, title which she lastly won by teaming up with Leon as "Nekoka Tag" at Ice in Wonderland on August 18, 2015, and defeating Shishunki (Mio Shirai and Tsukushi).