Mem-Cho real name unknown, is a major supporting character in Oshi no Ko series. She is a popular Youtuber and former Tik-Toker. Missing her chance to become an idol due to having to support her family, she nonetheless became a popular streamer and secured a spot on the reality dating show LoveNow. Following the show's conclusion, she was finally given another shot at her childhood dream when fellow cast member Aqua invited her to join his sister's idol group, with them accepting her despite being far past the ripe age of an idol.