the least popular member in each band

I've been thinking about this for days, who do you think is the least popular in each band? For me: Popipa: Saya or Rimi Hello happy:misaki Roselia:Lisa Afterglow:tsugumi Pasupare:maya Ras:Layer Morfonica:tsukushi Mygo:i dont know maybe taki Avemujica:umiri or nyamu