Mieko is a mother whos daughter is attending Walford Primary School with Ollie Carter. Linda Carter asks her if she wants a playdate for both of them but she makes excuses that he daughter's tired. Later Linda asks her again but find out she has set up a playdate with another parent. She is seen an number of times with Shelley and Linda driving in E20. Mieko is seen when Linda confronts Shelley about calling Ollie not normal.
Mieko re-appears when she sees Linda crashing her car into Shelley car. Shelley calls the police, Linda is forced to give a breathalyzer test and is arrested for drink driving.
- Episode 5990 (16 September 2019)
- Episode 5991 (17 September 2019)
- Episode 6000 (3 October 2019)
- Episode 6001 (4 October 2019)
- Episode 6018 (4 November 2019)
- Episode 6019 (5 November 2019)
- Episode 6021 (8 November 2019)
- Episode 6029 (25 November 2019)
- Episode 6042 (17 December 2019)