He is an A student in his high school and is pressured by his family. His best bud, Shun. Is technically his ride or die, he is asexual and is seen as the "gay" kid in class. Sin has a rival in his class although, a girl that is A LOT shorter than him and the smallest in class, her name is Ume. Ume is another top A student she is known for being kind and smart although there are rumors that she is putting it all on as an act. Ume's bestie, Ashy. Is a non-binary. Who is obsessed with anything gay