Ranran, previously known as Seiran Igarashi, is a Japanese talent and former AV actress. She was born in Japan. Her cupsize is C size, her body measurements are: 82-56-85 cm (32-22-33 in) and she is 156cm tall. In May 2017, she made her AV debut as an exclusive actress for Honnaka under the name Seiran Igarashi. On November 20, 2019, she opened a new Twitter account under the name Ranran, and announced that she had moved to Prime Agency and changed her name. On December 26, 2023, she announced her retirement on social media. Although she is retiring from AV acting, she will continue to appear at events as a model and talent.