

2001-12-1724 years, 10 months, and 25 days old
Shimonoseki, Yamaguchi, Japan
No
Female
Riko Shirai (born December 17, 2001), better known by her ring name Riko Kaiju, is a retired Japanese professional wrestler. She is best known for her tenures with Japanese promotions SEAdLINNNG and PURE-J, where she became a one-time Princess of Pro-Wrestling Champion.

| Title | ||||||
|---|---|---|---|---|---|---|
SEAdLINNNG Shin-Kiba NIGHT 2021.02.10 | 0 | 2021-02-10 | 0.4799 | |||
SEAdLINNNG Arisa Nakajima 15th SPRiNNNG | 0 | 2021-04-02 | 0.6995 | |||
Sareee-ISM | Riko Kaiju | 9 | 2023-05-16 | 2.4019 |