Tuans best friend, Miach, is an intelligent and philosophical girl with a calm personality. Despite her brilliance, she disagrees with the present world. She has great charisma and can manipulate those around her effectively. Although she was a problem student who got excellent grades, she only spoke to Tuan and Cian. It was Miach who influenced them to attempt suicide as an act of rebellion against society. Out of the three girls, only Miach died from this attempt.
It is later revealed that she is alive, because her suicide attempt failed as well. She is the one responsible for the mass suicides taking place arou