how do you start the "Queen of the ring "quest? Also, where is malia?
Queen of the Ring will start by itself when it's ready. You can see all of its requirements here:
https://github.com/TrinianGames/Sapphory/wiki/Quest-Dependencies
Malia can be found in the North Corridor at school during the day or at Abbie's House in the evening. If you need to speak to her during Poppy's story, you should go to Abbie's House.