|“||YOU HAVE TO SEE WHAT'S HAPPENING TO ME, AND FUEL-CHAN AND SENPAI ARE IN SCHOOLS TOGETHER! I NEVER KNEW THAT I WAS ON A MASTER OF PUPPETS MEME THOUGH YOU GUYS AHAHAHAHA||”|
— Kouchan in debut.
Mayotte Kouno (河野まよって Kouno Mayotte), or referred as Kouchan, is a binary meme which is identified when it starts from finding meme sounds from the 3rd album, Master of Puppets.
It is common that why she is not confirmed to be a female, especially she says that she is non-binary.