Risa Okuda (born November 19, 1991), better known by her ring name Risa Sera, is a Japanese retired professional wrestler and actress. She is best known for her tenure in Ice Ribbon, where is a four-time International Ribbon Tag Team Champion and a two-time ICE×∞ Champion, Pro Wrestling WAVE, and in the Prominence group, which she co-founded in 2021. She has also appeared in various promotions across the Japanese independent scene, and featured semi-frequently in World Wonder Ring Stardom during her time as a part of Prominence.