Randhi is a Chinese-born female voice actor who is active in both the Chinese and Japanese voice acting industries. She is also known by her Chinese name Lan Di Saku. Her career is marked by a transition from virtual idol performances to television anime, where she has taken on supporting roles in major productions.

Randhi is affiliated with the Japanese talent agency SHIRABACO. Her career foundation was built through her involvement in the virtual idol project Tōbō Wasurenu Yuigon, where from 2019 to 2021, she provided the voice and motion capture for the character Tamamo-no-Mae. This experience in a multimedia project that combined animation, music, and live streaming established her early presence in the industry.

Her transition to television anime came in 2022 when she was cast as Clotho in the fantasy series Black Summoner. This role marked her debut as a regular cast member in a TV anime. The following year, she voiced the character Jessie in the virtual idol-themed series Kizuna no Allele, produced by Wit Studio and Signal.MD. In addition to her anime roles, Randhi has contributed her voice to video games, such as providing the Chinese voice for Iori in the Japanese game Blue Archive.

Beyond her voice acting, Randhi is a multilingual talent who performs in both Chinese and Japanese. She is also active as an internet personality and singer on Bilibili, where she engages with fans and showcases her range as a performer. Her skill set includes singing and dancing, which she has demonstrated at live events, including a performance in Hong Kong with her agency's idol unit, CheeRz*. Her educational background includes studying voice actor techniques in Japan, which facilitated her entry into the Japanese entertainment industry.