Seibetsu "Mona Lisa" no Kimi e.

Chapter 18: 8:2
Chapter 17: An Irreplaceable 'Very Little'
Chapter 19: Girl Meets Boy
Chapter 17: An Irreplaceable 'Very Little'
Chapter 19: Girl Meets Boy
In this world, when human beings reach the age of 12, their bodies gradually change to the genders they wish to be. And by the time they are 14 years old, their appearances change to reflect their genders. But by spring of my eighteenth year, I am still without a gender...